9=b-7-5b

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Solution for 9=b-7-5b equation:


Simplifying
9 = b + -7 + -5b

Reorder the terms:
9 = -7 + b + -5b

Combine like terms: b + -5b = -4b
9 = -7 + -4b

Solving
9 = -7 + -4b

Solving for variable 'b'.

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

Add '4b' to each side of the equation.
9 + 4b = -7 + -4b + 4b

Combine like terms: -4b + 4b = 0
9 + 4b = -7 + 0
9 + 4b = -7

Add '-9' to each side of the equation.
9 + -9 + 4b = -7 + -9

Combine like terms: 9 + -9 = 0
0 + 4b = -7 + -9
4b = -7 + -9

Combine like terms: -7 + -9 = -16
4b = -16

Divide each side by '4'.
b = -4

Simplifying
b = -4

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