-15-10x=21-12x

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Solution for -15-10x=21-12x equation:


Simplifying
-15 + -10x = 21 + -12x

Solving
-15 + -10x = 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 + -10x + 12x = 21 + -12x + 12x

Combine like terms: -10x + 12x = 2x
-15 + 2x = 21 + -12x + 12x

Combine like terms: -12x + 12x = 0
-15 + 2x = 21 + 0
-15 + 2x = 21

Add '15' to each side of the equation.
-15 + 15 + 2x = 21 + 15

Combine like terms: -15 + 15 = 0
0 + 2x = 21 + 15
2x = 21 + 15

Combine like terms: 21 + 15 = 36
2x = 36

Divide each side by '2'.
x = 18

Simplifying
x = 18

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