-10b-9=-5b-7b+9

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Solution for -10b-9=-5b-7b+9 equation:


Simplifying
-10b + -9 = -5b + -7b + 9

Reorder the terms:
-9 + -10b = -5b + -7b + 9

Reorder the terms:
-9 + -10b = 9 + -5b + -7b

Combine like terms: -5b + -7b = -12b
-9 + -10b = 9 + -12b

Solving
-9 + -10b = 9 + -12b

Solving for variable 'b'.

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

Add '12b' to each side of the equation.
-9 + -10b + 12b = 9 + -12b + 12b

Combine like terms: -10b + 12b = 2b
-9 + 2b = 9 + -12b + 12b

Combine like terms: -12b + 12b = 0
-9 + 2b = 9 + 0
-9 + 2b = 9

Add '9' to each side of the equation.
-9 + 9 + 2b = 9 + 9

Combine like terms: -9 + 9 = 0
0 + 2b = 9 + 9
2b = 9 + 9

Combine like terms: 9 + 9 = 18
2b = 18

Divide each side by '2'.
b = 9

Simplifying
b = 9

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