84+3(2-4x)=-54

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Solution for 84+3(2-4x)=-54 equation: 


Simplifying
84 + 3(2 + -4x) = -54
84 + (2 * 3 + -4x * 3) = -54
84 + (6 + -12x) = -54

Combine like terms: 84 + 6 = 90
90 + -12x = -54

Solving
90 + -12x = -54

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + -12x = -54 + -90

Combine like terms: 90 + -90 = 0
0 + -12x = -54 + -90
-12x = -54 + -90

Combine like terms: -54 + -90 = -144
-12x = -144

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

Simplifying
x = 12

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