9b+8=7b-18

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Solution for 9b+8=7b-18 equation:


Simplifying
9b + 8 = 7b + -18

Reorder the terms:
8 + 9b = 7b + -18

Reorder the terms:
8 + 9b = -18 + 7b

Solving
8 + 9b = -18 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
8 + 9b + -7b = -18 + 7b + -7b

Combine like terms: 9b + -7b = 2b
8 + 2b = -18 + 7b + -7b

Combine like terms: 7b + -7b = 0
8 + 2b = -18 + 0
8 + 2b = -18

Add '-8' to each side of the equation.
8 + -8 + 2b = -18 + -8

Combine like terms: 8 + -8 = 0
0 + 2b = -18 + -8
2b = -18 + -8

Combine like terms: -18 + -8 = -26
2b = -26

Divide each side by '2'.
b = -13

Simplifying
b = -13

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