9b-7=12b-7

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Solution for 9b-7=12b-7 equation:


Simplifying
9b + -7 = 12b + -7

Reorder the terms:
-7 + 9b = 12b + -7

Reorder the terms:
-7 + 9b = -7 + 12b

Add '7' to each side of the equation.
-7 + 7 + 9b = -7 + 7 + 12b

Combine like terms: -7 + 7 = 0
0 + 9b = -7 + 7 + 12b
9b = -7 + 7 + 12b

Combine like terms: -7 + 7 = 0
9b = 0 + 12b
9b = 12b

Solving
9b = 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.
9b + -12b = 12b + -12b

Combine like terms: 9b + -12b = -3b
-3b = 12b + -12b

Combine like terms: 12b + -12b = 0
-3b = 0

Divide each side by '-3'.
b = 0

Simplifying
b = 0

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