-10=x+21

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Solution for -10=x+21 equation:


Simplifying
-10 = x + 21

Reorder the terms:
-10 = 21 + x

Solving
-10 = 21 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-10 + -1x = 21 + x + -1x

Combine like terms: x + -1x = 0
-10 + -1x = 21 + 0
-10 + -1x = 21

Add '10' to each side of the equation.
-10 + 10 + -1x = 21 + 10

Combine like terms: -10 + 10 = 0
0 + -1x = 21 + 10
-1x = 21 + 10

Combine like terms: 21 + 10 = 31
-1x = 31

Divide each side by '-1'.
x = -31

Simplifying
x = -31

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