30-15x=84+12x

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Solution for 30-15x=84+12x equation:


Simplifying
30 + -15x = 84 + 12x

Solving
30 + -15x = 84 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
30 + -15x + -12x = 84 + 12x + -12x

Combine like terms: -15x + -12x = -27x
30 + -27x = 84 + 12x + -12x

Combine like terms: 12x + -12x = 0
30 + -27x = 84 + 0
30 + -27x = 84

Add '-30' to each side of the equation.
30 + -30 + -27x = 84 + -30

Combine like terms: 30 + -30 = 0
0 + -27x = 84 + -30
-27x = 84 + -30

Combine like terms: 84 + -30 = 54
-27x = 54

Divide each side by '-27'.
x = -2

Simplifying
x = -2

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