3(x+28)+4(x+28)=7

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Solution for 3(x+28)+4(x+28)=7 equation: 



3(x+28)+4(x+28)=7

We move all terms to the left:

3(x+28)+4(x+28)-(7)=0

We multiply parentheses

3x+4x+84+112-7=0

We add all the numbers together, and all the variables

7x+189=0

We move all terms containing x to the left, all other terms to the right

7x=-189

x=-189/7

x=-27

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