128=6(-3b-1)+8

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Solution for 128=6(-3b-1)+8 equation:


Simplifying
128 = 6(-3b + -1) + 8

Reorder the terms:
128 = 6(-1 + -3b) + 8
128 = (-1 * 6 + -3b * 6) + 8
128 = (-6 + -18b) + 8

Reorder the terms:
128 = -6 + 8 + -18b

Combine like terms: -6 + 8 = 2
128 = 2 + -18b

Solving
128 = 2 + -18b

Solving for variable 'b'.

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

Add '18b' to each side of the equation.
128 + 18b = 2 + -18b + 18b

Combine like terms: -18b + 18b = 0
128 + 18b = 2 + 0
128 + 18b = 2

Add '-128' to each side of the equation.
128 + -128 + 18b = 2 + -128

Combine like terms: 128 + -128 = 0
0 + 18b = 2 + -128
18b = 2 + -128

Combine like terms: 2 + -128 = -126
18b = -126

Divide each side by '18'.
b = -7

Simplifying
b = -7

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