b-1=-2(x+4)

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


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

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

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

Solving
-1 + b = -8 + -2x

Solving for variable 'b'.

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

Add '1' to each side of the equation.
-1 + 1 + b = -8 + 1 + -2x

Combine like terms: -1 + 1 = 0
0 + b = -8 + 1 + -2x
b = -8 + 1 + -2x

Combine like terms: -8 + 1 = -7
b = -7 + -2x

Simplifying
b = -7 + -2x

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