-3b+7=-9b-5

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Solution for -3b+7=-9b-5 equation:


Simplifying
-3b + 7 = -9b + -5

Reorder the terms:
7 + -3b = -9b + -5

Reorder the terms:
7 + -3b = -5 + -9b

Solving
7 + -3b = -5 + -9b

Solving for variable 'b'.

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

Add '9b' to each side of the equation.
7 + -3b + 9b = -5 + -9b + 9b

Combine like terms: -3b + 9b = 6b
7 + 6b = -5 + -9b + 9b

Combine like terms: -9b + 9b = 0
7 + 6b = -5 + 0
7 + 6b = -5

Add '-7' to each side of the equation.
7 + -7 + 6b = -5 + -7

Combine like terms: 7 + -7 = 0
0 + 6b = -5 + -7
6b = -5 + -7

Combine like terms: -5 + -7 = -12
6b = -12

Divide each side by '6'.
b = -2

Simplifying
b = -2

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