anonymous one year ago Can you solve and explain the steps you would use in solving two step equations.

1. chrisplusian

Example?

2. anonymous

2x - 3 =11 +3 +3 2x = 14 2x/2 14/2 x = 7

3. anonymous

Parentheses Exponents Multiplication Division Addition Subtraction

4. anonymous

@geny55

5. anonymous

do you understand?

6. anonymous
7. chrisplusian

It seems that you have it correct.

8. chrisplusian

Are you asking how do you know what to do first?

9. chrisplusian

If so the solution to these problems comes from the idea that an equal sign allows you to do anything to one side of an equation as long as you do the same thing to the other side.... defining a side means the whole side of the equation not just part of it. However some things make solving these equations easier than others example.....

10. chrisplusian

2x-3=11

11. chrisplusian

$\frac{ 2x-3 }{ 2 }=\frac{ 11 }{ 2 }$

12. chrisplusian

$x-\frac{ 3 }{ 2 }=\frac{ 11 }{ 2 }$

13. chrisplusian

$x-\frac{ 3 }{ 2 }+\frac{ 3 }{ 2 }=\frac{ 11 }{ 2 }+\frac{ 3 }{ 2 }$

14. chrisplusian

$x=\frac{ 14 }{ 2 }$

15. chrisplusian

$x=7$

16. chrisplusian

Same answer but what I did was much more difficult than what you did. Typically try to move all constant terms (numbers that aren't attached to a variable) to one side and all variable terms to the other. Then do division or multiplication as needed

17. chrisplusian

Does that make sense? If ever you find yourself in a situation where you have complicated things like I did above, then simply stick to the rule that IF your dealing with an "equation" (meaning there is an equal sign somewhere in your problem) then you can do anything.... anything to one entire side, as long as you do the same thing to the entire other side

18. chrisplusian

Hope that helps

19. anonymous

so can you give me the steps like this :) 1.... 2... 3....

20. anonymous

and explain the steps in words please :)