45=3x+7(-2x-3)

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Solution for 45=3x+7(-2x-3) equation: 



45=3x+7(-2x-3)

We move all terms to the left:

45-(3x+7(-2x-3))=0



We calculate terms in parentheses: -(3x+7(-2x-3)), so:

3x+7(-2x-3)

We multiply parentheses

3x-14x-21

We add all the numbers together, and all the variables

-11x-21

Back to the equation:

-(-11x-21)



We get rid of parentheses

11x+21+45=0

We add all the numbers together, and all the variables

11x+66=0

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

11x=-66

x=-66/11

x=-6

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