87=-3(4b+1)-6b

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Solution for 87=-3(4b+1)-6b equation:


Simplifying
87 = -3(4b + 1) + -6b

Reorder the terms:
87 = -3(1 + 4b) + -6b
87 = (1 * -3 + 4b * -3) + -6b
87 = (-3 + -12b) + -6b

Combine like terms: -12b + -6b = -18b
87 = -3 + -18b

Solving
87 = -3 + -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.
87 + 18b = -3 + -18b + 18b

Combine like terms: -18b + 18b = 0
87 + 18b = -3 + 0
87 + 18b = -3

Add '-87' to each side of the equation.
87 + -87 + 18b = -3 + -87

Combine like terms: 87 + -87 = 0
0 + 18b = -3 + -87
18b = -3 + -87

Combine like terms: -3 + -87 = -90
18b = -90

Divide each side by '18'.
b = -5

Simplifying
b = -5

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