3(x+7)+4(x+28)=20+8

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Solution for 3(x+7)+4(x+28)=20+8 equation: 



3(x+7)+4(x+28)=20+8

We move all terms to the left:

3(x+7)+4(x+28)-(20+8)=0

We add all the numbers together, and all the variables

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

We multiply parentheses

3x+4x+21+112-28=0

We add all the numbers together, and all the variables

7x+105=0

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

7x=-105

x=-105/7

x=-15

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