2x+7-5x+8=3(5+6x)

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Solution for 2x+7-5x+8=3(5+6x) equation: 



2x+7-5x+8=3(5+6x)

We move all terms to the left:

2x+7-5x+8-(3(5+6x))=0

We add all the numbers together, and all the variables

2x-5x-(3(6x+5))+7+8=0

We add all the numbers together, and all the variables

-3x-(3(6x+5))+15=0



We calculate terms in parentheses: -(3(6x+5)), so:

3(6x+5)

We multiply parentheses

18x+15

Back to the equation:

-(18x+15)



We get rid of parentheses

-3x-18x-15+15=0

We add all the numbers together, and all the variables

-21x=0

x=0/-21

x=0

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