-4(2x-1)-b=-9+12-2(4x)

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Solution for -4(2x-1)-b=-9+12-2(4x) equation:


Simplifying
-4(2x + -1) + -1b = -9 + 12 + -2(4x)

Reorder the terms:
-4(-1 + 2x) + -1b = -9 + 12 + -2(4x)
(-1 * -4 + 2x * -4) + -1b = -9 + 12 + -2(4x)
(4 + -8x) + -1b = -9 + 12 + -2(4x)

Reorder the terms:
4 + -1b + -8x = -9 + 12 + -2(4x)

Remove parenthesis around (4x)
4 + -1b + -8x = -9 + 12 + -2 * 4x

Multiply -2 * 4
4 + -1b + -8x = -9 + 12 + -8x

Combine like terms: -9 + 12 = 3
4 + -1b + -8x = 3 + -8x

Add '8x' to each side of the equation.
4 + -1b + -8x + 8x = 3 + -8x + 8x

Combine like terms: -8x + 8x = 0
4 + -1b + 0 = 3 + -8x + 8x
4 + -1b = 3 + -8x + 8x

Combine like terms: -8x + 8x = 0
4 + -1b = 3 + 0
4 + -1b = 3

Solving
4 + -1b = 3

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + -1b = 3 + -4

Combine like terms: 4 + -4 = 0
0 + -1b = 3 + -4
-1b = 3 + -4

Combine like terms: 3 + -4 = -1
-1b = -1

Divide each side by '-1'.
b = 1

Simplifying
b = 1

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