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Check my answer? I needed to make these equations into y = mx + b form: 42x  4y = 3, 21x = 2y  3, and 21x = y + 3/2.
My answer for #1: y =  10.5x  (3/4). For #2: y = 10.5x + 1.5, For #3: y =  21x + 3/2.
 one year ago
 one year ago
Check my answer? I needed to make these equations into y = mx + b form: 42x  4y = 3, 21x = 2y  3, and 21x = y + 3/2. My answer for #1: y =  10.5x  (3/4). For #2: y = 10.5x + 1.5, For #3: y =  21x + 3/2.
 one year ago
 one year ago

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phiBest ResponseYou've already chosen the best response.1
you are getting the wrong signs on answers #1 and #3
 one year ago

Rachel98Best ResponseYou've already chosen the best response.1
What do you mean by signs?
 one year ago

phiBest ResponseYou've already chosen the best response.1
42x  4y = 3 can you do this one step by step ?
 one year ago

Rachel98Best ResponseYou've already chosen the best response.1
I subtract 42x from both sides and get  4y =  42x + 3, then I divide everything by  4, to isolate y and get y =  10.5x  (3/4).
 one year ago

phiBest ResponseYou've already chosen the best response.1
sounds good, except 42x/4 is not 10.5x
 one year ago

phiBest ResponseYou've already chosen the best response.1
minus over minus makes a positive
 one year ago

Rachel98Best ResponseYou've already chosen the best response.1
It's positive 10.5, just realized my mistake.
 one year ago

phiBest ResponseYou've already chosen the best response.1
that's what I meant by getting the wrong sign
 one year ago

phiBest ResponseYou've already chosen the best response.1
for the last question 21x = y + 3/2 subtact 3/2 from both sides 21x  3/2 =y or y = 21x 3/2
 one year ago
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