18-12=-4x

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Solution for 18-12=-4x equation:


Simplifying
18 + -12 = -4x

Combine like terms: 18 + -12 = 6
6 = -4x

Solving
6 = -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
6 + 4x = -4x + 4x

Combine like terms: -4x + 4x = 0
6 + 4x = 0

Add '-6' to each side of the equation.
6 + -6 + 4x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 4x = 0 + -6
4x = 0 + -6

Combine like terms: 0 + -6 = -6
4x = -6

Divide each side by '4'.
x = -1.5

Simplifying
x = -1.5

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