-81=3(5b-2)

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Solution for -81=3(5b-2) equation:


Simplifying
-81 = 3(5b + -2)

Reorder the terms:
-81 = 3(-2 + 5b)
-81 = (-2 * 3 + 5b * 3)
-81 = (-6 + 15b)

Solving
-81 = -6 + 15b

Solving for variable 'b'.

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

Add '-15b' to each side of the equation.
-81 + -15b = -6 + 15b + -15b

Combine like terms: 15b + -15b = 0
-81 + -15b = -6 + 0
-81 + -15b = -6

Add '81' to each side of the equation.
-81 + 81 + -15b = -6 + 81

Combine like terms: -81 + 81 = 0
0 + -15b = -6 + 81
-15b = -6 + 81

Combine like terms: -6 + 81 = 75
-15b = 75

Divide each side by '-15'.
b = -5

Simplifying
b = -5

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