9(b+3)+7b=12

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Solution for 9(b+3)+7b=12 equation:


Simplifying
9(b + 3) + 7b = 12

Reorder the terms:
9(3 + b) + 7b = 12
(3 * 9 + b * 9) + 7b = 12
(27 + 9b) + 7b = 12

Combine like terms: 9b + 7b = 16b
27 + 16b = 12

Solving
27 + 16b = 12

Solving for variable 'b'.

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

Add '-27' to each side of the equation.
27 + -27 + 16b = 12 + -27

Combine like terms: 27 + -27 = 0
0 + 16b = 12 + -27
16b = 12 + -27

Combine like terms: 12 + -27 = -15
16b = -15

Divide each side by '16'.
b = -0.9375

Simplifying
b = -0.9375

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