18x-15=-21+12x

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Solution for 18x-15=-21+12x equation:


Simplifying
18x + -15 = -21 + 12x

Reorder the terms:
-15 + 18x = -21 + 12x

Solving
-15 + 18x = -21 + 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.
-15 + 18x + -12x = -21 + 12x + -12x

Combine like terms: 18x + -12x = 6x
-15 + 6x = -21 + 12x + -12x

Combine like terms: 12x + -12x = 0
-15 + 6x = -21 + 0
-15 + 6x = -21

Add '15' to each side of the equation.
-15 + 15 + 6x = -21 + 15

Combine like terms: -15 + 15 = 0
0 + 6x = -21 + 15
6x = -21 + 15

Combine like terms: -21 + 15 = -6
6x = -6

Divide each side by '6'.
x = -1

Simplifying
x = -1

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