7=-3(5-x)

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



7=-3(5-x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(-3(-1x+5)), so:

-3(-1x+5)

We multiply parentheses

3x-15

Back to the equation:

-(3x-15)



We get rid of parentheses

-3x+15+7=0

We add all the numbers together, and all the variables

-3x+22=0

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

-3x=-22

x=-22/-3

x=7+1/3

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