9=-7-3b+b

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Solution for 9=-7-3b+b equation:


Simplifying
9 = -7 + -3b + b

Combine like terms: -3b + b = -2b
9 = -7 + -2b

Solving
9 = -7 + -2b

Solving for variable 'b'.

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

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

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

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

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

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

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

Simplifying
b = -8

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