3(x+5)=7-4x

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Solution for 3(x+5)=7-4x equation: 



3(x+5)=7-4x

We move all terms to the left:

3(x+5)-(7-4x)=0

We add all the numbers together, and all the variables

3(x+5)-(-4x+7)=0

We multiply parentheses

3x-(-4x+7)+15=0

We get rid of parentheses

3x+4x-7+15=0

We add all the numbers together, and all the variables

7x+8=0

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

7x=-8

x=-8/7

x=-1+1/7

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