10+2x=5(-x+2)-21

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Solution for 10+2x=5(-x+2)-21 equation: 



10+2x=5(-x+2)-21

We move all terms to the left:

10+2x-(5(-x+2)-21)=0

We add all the numbers together, and all the variables

2x-(5(-1x+2)-21)+10=0



We calculate terms in parentheses: -(5(-1x+2)-21), so:

5(-1x+2)-21

We multiply parentheses

-5x+10-21

We add all the numbers together, and all the variables

-5x-11

Back to the equation:

-(-5x-11)



We get rid of parentheses

2x+5x+11+10=0

We add all the numbers together, and all the variables

7x+21=0

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

7x=-21

x=-21/7

x=-3

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