-87=3(-5m-4)

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Solution for -87=3(-5m-4) equation:


Simplifying
-87 = 3(-5m + -4)

Reorder the terms:
-87 = 3(-4 + -5m)
-87 = (-4 * 3 + -5m * 3)
-87 = (-12 + -15m)

Solving
-87 = -12 + -15m

Solving for variable 'm'.

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

Add '15m' to each side of the equation.
-87 + 15m = -12 + -15m + 15m

Combine like terms: -15m + 15m = 0
-87 + 15m = -12 + 0
-87 + 15m = -12

Add '87' to each side of the equation.
-87 + 87 + 15m = -12 + 87

Combine like terms: -87 + 87 = 0
0 + 15m = -12 + 87
15m = -12 + 87

Combine like terms: -12 + 87 = 75
15m = 75

Divide each side by '15'.
m = 5

Simplifying
m = 5

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