-10=-21+x

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Solution for -10=-21+x equation:


Simplifying
-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 = -11
-1x = -11

Divide each side by '-1'.
x = 11

Simplifying
x = 11

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