-b-8+1=9+b-7+7

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Solution for -b-8+1=9+b-7+7 equation:


Simplifying
-1b + -8 + 1 = 9 + b + -7 + 7

Reorder the terms:
-8 + 1 + -1b = 9 + b + -7 + 7

Combine like terms: -8 + 1 = -7
-7 + -1b = 9 + b + -7 + 7

Reorder the terms:
-7 + -1b = 9 + -7 + 7 + b

Combine like terms: 9 + -7 = 2
-7 + -1b = 2 + 7 + b

Combine like terms: 2 + 7 = 9
-7 + -1b = 9 + b

Solving
-7 + -1b = 9 + b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-1b' to each side of the equation.
-7 + -1b + -1b = 9 + b + -1b

Combine like terms: -1b + -1b = -2b
-7 + -2b = 9 + b + -1b

Combine like terms: b + -1b = 0
-7 + -2b = 9 + 0
-7 + -2b = 9

Add '7' to each side of the equation.
-7 + 7 + -2b = 9 + 7

Combine like terms: -7 + 7 = 0
0 + -2b = 9 + 7
-2b = 9 + 7

Combine like terms: 9 + 7 = 16
-2b = 16

Divide each side by '-2'.
b = -8

Simplifying
b = -8

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