-215+5=7(-6-4b)

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Solution for -215+5=7(-6-4b) equation: 



-215+5=7(-6-4b)

We move all terms to the left:

-215+5-(7(-6-4b))=0

We add all the numbers together, and all the variables

-(7(-4b-6))-215+5=0

We add all the numbers together, and all the variables

-(7(-4b-6))-210=0



We calculate terms in parentheses: -(7(-4b-6)), so:

7(-4b-6)

We multiply parentheses

-28b-42

Back to the equation:

-(-28b-42)



We get rid of parentheses

28b+42-210=0

We add all the numbers together, and all the variables

28b-168=0

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

28b=168

b=168/28

b=6

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