(9b-6)-4(2b+4)=-7

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Solution for (9b-6)-4(2b+4)=-7 equation:


Simplifying
(9b + -6) + -4(2b + 4) = -7

Reorder the terms:
(-6 + 9b) + -4(2b + 4) = -7

Remove parenthesis around (-6 + 9b)
-6 + 9b + -4(2b + 4) = -7

Reorder the terms:
-6 + 9b + -4(4 + 2b) = -7
-6 + 9b + (4 * -4 + 2b * -4) = -7
-6 + 9b + (-16 + -8b) = -7

Reorder the terms:
-6 + -16 + 9b + -8b = -7

Combine like terms: -6 + -16 = -22
-22 + 9b + -8b = -7

Combine like terms: 9b + -8b = 1b
-22 + 1b = -7

Solving
-22 + 1b = -7

Solving for variable 'b'.

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

Add '22' to each side of the equation.
-22 + 22 + 1b = -7 + 22

Combine like terms: -22 + 22 = 0
0 + 1b = -7 + 22
1b = -7 + 22

Combine like terms: -7 + 22 = 15
1b = 15

Divide each side by '1'.
b = 15

Simplifying
b = 15

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