(17b-4)-2(4b+8)=-12

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Solution for (17b-4)-2(4b+8)=-12 equation:


Simplifying
(17b + -4) + -2(4b + 8) = -12

Reorder the terms:
(-4 + 17b) + -2(4b + 8) = -12

Remove parenthesis around (-4 + 17b)
-4 + 17b + -2(4b + 8) = -12

Reorder the terms:
-4 + 17b + -2(8 + 4b) = -12
-4 + 17b + (8 * -2 + 4b * -2) = -12
-4 + 17b + (-16 + -8b) = -12

Reorder the terms:
-4 + -16 + 17b + -8b = -12

Combine like terms: -4 + -16 = -20
-20 + 17b + -8b = -12

Combine like terms: 17b + -8b = 9b
-20 + 9b = -12

Solving
-20 + 9b = -12

Solving for variable 'b'.

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

Add '20' to each side of the equation.
-20 + 20 + 9b = -12 + 20

Combine like terms: -20 + 20 = 0
0 + 9b = -12 + 20
9b = -12 + 20

Combine like terms: -12 + 20 = 8
9b = 8

Divide each side by '9'.
b = 0.8888888889

Simplifying
b = 0.8888888889

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