-21-12x=-10x+21

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


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

Reorder the terms:
-21 + -12x = 21 + -10x

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

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
-21 + -12x + 10x = 21 + -10x + 10x

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

Combine like terms: -10x + 10x = 0
-21 + -2x = 21 + 0
-21 + -2x = 21

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

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

Combine like terms: 21 + 21 = 42
-2x = 42

Divide each side by '-2'.
x = -21

Simplifying
x = -21

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