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anonymous
 3 years ago
Solve each system of equations by substitution
3v+3x=12
3v6x=21
anonymous
 3 years ago
Solve each system of equations by substitution 3v+3x=12 3v6x=21

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tkhunny
 3 years ago
Best ResponseYou've already chosen the best response.01) Divide EVERYTHING by 3.

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1$$3v+3x=12$$ $$3v6x=21$$ $$\frac{1}{3}(3v+3x)=\frac{1}{3}(12)$$ $$ \frac{1}{3} (3v6x)=\frac{1}{3}(21)$$

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1Dividing by 3 is the same as multiplying by 1/3 right? @overtonka

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0I really don't know how to do this o.o

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1The multiplication property of equality allows you to multiply both sides of an equation by the same nonzero number and get an equivalent equation. Have you heard of this property in class?

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1Let me give you an example let's say 3=3, now I multiply both sides by 2 what would I get?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0do u want the answer or how to get the answer

ryan123345
 3 years ago
Best ResponseYou've already chosen the best response.0To atleast make the question easier divide everything by 3

ryan123345
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1361972385891:dw

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1@overtonka Does giving you the answer help you learn?

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1Do you want to learn how to do this?

ryan123345
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1361972609881:dw

ryan123345
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1361972653183:dw

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1You must first understand why you do the steps @overtonka

ryan123345
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1361972684025:dw

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1ryan will give you the answer .. I can show you how to do it ...you choose

ryan123345
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1361972804662:dw

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1Being interested in how and why things work is what math is all about

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1Do you want to learn how to do this?

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1Why the steps work?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Ryan is showing how to do it, he's not just giving answers

skullpatrol
 3 years ago
Best ResponseYou've already chosen the best response.1Let the learner decide.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0ok, @overtonka , do you like the way skullpatrol does it or the way Ryan answers

Callisto
 3 years ago
Best ResponseYou've already chosen the best response.0"It is better to guide the user to an answer rather than doing all the work yourself. We discourage giving out answers without letting the asker at least take some part in the analysis  the aim of this site is to teach. Please refer to our code of conduct at http://openstudy.com/codeofconduct for more information. Thank you."
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