3x+4-5x=2(x+7)

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Solution for 3x+4-5x=2(x+7) equation: 



3x+4-5x=2(x+7)

We move all terms to the left:

3x+4-5x-(2(x+7))=0

We add all the numbers together, and all the variables

-2x-(2(x+7))+4=0



We calculate terms in parentheses: -(2(x+7)), so:

2(x+7)

We multiply parentheses

2x+14

Back to the equation:

-(2x+14)



We get rid of parentheses

-2x-2x-14+4=0

We add all the numbers together, and all the variables

-4x-10=0

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

-4x=10

x=10/-4

x=-2+1/2

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