SOLUTION: 7(3x + 4) = 8(2x + 5) + 13 2(x - 3) - 3(x + 5)= 3(x - 2) - 7 3x - 5(3x - 7)= 2(x + 9) + 45

Algebra ->  Equations -> SOLUTION: 7(3x + 4) = 8(2x + 5) + 13 2(x - 3) - 3(x + 5)= 3(x - 2) - 7 3x - 5(3x - 7)= 2(x + 9) + 45      Log On


   

Question 97132: 7(3x + 4) = 8(2x + 5) + 13

2(x - 3) - 3(x + 5)= 3(x - 2) - 7

3x - 5(3x - 7)= 2(x + 9) + 45
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
7(3X+4)=8(2X+5)+13
21X+28=16X+40+13
21X-16X=53-28
5X=25
X=25/5
X=5 ANSWER.
PROOF
7(15+4)=8(10+5)+13
7*19=8*15+13
133=120+13
133=133
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