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

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


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

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

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

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

Reorder the terms:
-2 + -8 + 9b + -8b = -2

Combine like terms: -2 + -8 = -10
-10 + 9b + -8b = -2

Combine like terms: 9b + -8b = 1b
-10 + 1b = -2

Solving
-10 + 1b = -2

Solving for variable 'b'.

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

Add '10' to each side of the equation.
-10 + 10 + 1b = -2 + 10

Combine like terms: -10 + 10 = 0
0 + 1b = -2 + 10
1b = -2 + 10

Combine like terms: -2 + 10 = 8
1b = 8

Divide each side by '1'.
b = 8

Simplifying
b = 8

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