9=2b-b-10

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Solution for 9=2b-b-10 equation:


Simplifying
9 = 2b + -1b + -10

Reorder the terms:
9 = -10 + 2b + -1b

Combine like terms: 2b + -1b = 1b
9 = -10 + 1b

Solving
9 = -10 + 1b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
9 + -1b = -10 + 1b + -1b

Combine like terms: 1b + -1b = 0
9 + -1b = -10 + 0
9 + -1b = -10

Add '-9' to each side of the equation.
9 + -9 + -1b = -10 + -9

Combine like terms: 9 + -9 = 0
0 + -1b = -10 + -9
-1b = -10 + -9

Combine like terms: -10 + -9 = -19
-1b = -19

Divide each side by '-1'.
b = 19

Simplifying
b = 19

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