163=-7(3b-3)-5

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Solution for 163=-7(3b-3)-5 equation:


Simplifying
163 = -7(3b + -3) + -5

Reorder the terms:
163 = -7(-3 + 3b) + -5
163 = (-3 * -7 + 3b * -7) + -5
163 = (21 + -21b) + -5

Reorder the terms:
163 = 21 + -5 + -21b

Combine like terms: 21 + -5 = 16
163 = 16 + -21b

Solving
163 = 16 + -21b

Solving for variable 'b'.

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

Add '21b' to each side of the equation.
163 + 21b = 16 + -21b + 21b

Combine like terms: -21b + 21b = 0
163 + 21b = 16 + 0
163 + 21b = 16

Add '-163' to each side of the equation.
163 + -163 + 21b = 16 + -163

Combine like terms: 163 + -163 = 0
0 + 21b = 16 + -163
21b = 16 + -163

Combine like terms: 16 + -163 = -147
21b = -147

Divide each side by '21'.
b = -7

Simplifying
b = -7

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