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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1x+3(2x+5)-(-7(x+3))=0

We multiply parentheses

-1x+6x-(-7(x+3))+15=0



We calculate terms in parentheses: -(-7(x+3)), so:

-7(x+3)

We multiply parentheses

-7x-21

Back to the equation:

-(-7x-21)



We add all the numbers together, and all the variables

5x-(-7x-21)+15=0

We get rid of parentheses

5x+7x+21+15=0

We add all the numbers together, and all the variables

12x+36=0

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

12x=-36

x=-36/12

x=-3

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