-3(4x+5)=-87

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


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

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

Solving
-15 + -12x = -87

Solving for variable 'x'.

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

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

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

Combine like terms: -87 + 15 = -72
-12x = -72

Divide each side by '-12'.
x = 6

Simplifying
x = 6

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