4=-2(b-7)+10

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Solution for 4=-2(b-7)+10 equation: 



4=-2(b-7)+10

We move all terms to the left:

4-(-2(b-7)+10)=0



We calculate terms in parentheses: -(-2(b-7)+10), so:

-2(b-7)+10

We multiply parentheses

-2b+14+10

We add all the numbers together, and all the variables

-2b+24

Back to the equation:

-(-2b+24)



We get rid of parentheses

2b-24+4=0

We add all the numbers together, and all the variables

2b-20=0

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

2b=20

b=20/2

b=10

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