10b+8=9b-9

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Solution for 10b+8=9b-9 equation:


Simplifying
10b + 8 = 9b + -9

Reorder the terms:
8 + 10b = 9b + -9

Reorder the terms:
8 + 10b = -9 + 9b

Solving
8 + 10b = -9 + 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.
8 + 10b + -9b = -9 + 9b + -9b

Combine like terms: 10b + -9b = 1b
8 + 1b = -9 + 9b + -9b

Combine like terms: 9b + -9b = 0
8 + 1b = -9 + 0
8 + 1b = -9

Add '-8' to each side of the equation.
8 + -8 + 1b = -9 + -8

Combine like terms: 8 + -8 = 0
0 + 1b = -9 + -8
1b = -9 + -8

Combine like terms: -9 + -8 = -17
1b = -17

Divide each side by '1'.
b = -17

Simplifying
b = -17

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