9b+6(4b)-12=87

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Solution for 9b+6(4b)-12=87 equation:


Simplifying
9b + 6(4b) + -12 = 87

Remove parenthesis around (4b)
9b + 6 * 4b + -12 = 87

Multiply 6 * 4
9b + 24b + -12 = 87

Reorder the terms:
-12 + 9b + 24b = 87

Combine like terms: 9b + 24b = 33b
-12 + 33b = 87

Solving
-12 + 33b = 87

Solving for variable 'b'.

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

Add '12' to each side of the equation.
-12 + 12 + 33b = 87 + 12

Combine like terms: -12 + 12 = 0
0 + 33b = 87 + 12
33b = 87 + 12

Combine like terms: 87 + 12 = 99
33b = 99

Divide each side by '33'.
b = 3

Simplifying
b = 3

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