168=-7(-7b-3)

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Solution for 168=-7(-7b-3) equation:


Simplifying
168 = -7(-7b + -3)

Reorder the terms:
168 = -7(-3 + -7b)
168 = (-3 * -7 + -7b * -7)
168 = (21 + 49b)

Solving
168 = 21 + 49b

Solving for variable 'b'.

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

Add '-49b' to each side of the equation.
168 + -49b = 21 + 49b + -49b

Combine like terms: 49b + -49b = 0
168 + -49b = 21 + 0
168 + -49b = 21

Add '-168' to each side of the equation.
168 + -168 + -49b = 21 + -168

Combine like terms: 168 + -168 = 0
0 + -49b = 21 + -168
-49b = 21 + -168

Combine like terms: 21 + -168 = -147
-49b = -147

Divide each side by '-49'.
b = 3

Simplifying
b = 3

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