56=7(b-81)

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Solution for 56=7(b-81) equation:


Simplifying
56 = 7(b + -81)

Reorder the terms:
56 = 7(-81 + b)
56 = (-81 * 7 + b * 7)
56 = (-567 + 7b)

Solving
56 = -567 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
56 + -7b = -567 + 7b + -7b

Combine like terms: 7b + -7b = 0
56 + -7b = -567 + 0
56 + -7b = -567

Add '-56' to each side of the equation.
56 + -56 + -7b = -567 + -56

Combine like terms: 56 + -56 = 0
0 + -7b = -567 + -56
-7b = -567 + -56

Combine like terms: -567 + -56 = -623
-7b = -623

Divide each side by '-7'.
b = 89

Simplifying
b = 89

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