-3(1+4x)=-87

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


Simplifying
-3(1 + 4x) = -87
(1 * -3 + 4x * -3) = -87
(-3 + -12x) = -87

Solving
-3 + -12x = -87

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + -12x = -87 + 3

Combine like terms: -3 + 3 = 0
0 + -12x = -87 + 3
-12x = -87 + 3

Combine like terms: -87 + 3 = -84
-12x = -84

Divide each side by '-12'.
x = 7

Simplifying
x = 7

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