10-x=21-2y

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Solution for 10-x=21-2y equation:


Simplifying
10 + -1x = 21 + -2y

Solving
10 + -1x = 21 + -2y

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + -1x = 21 + -10 + -2y

Combine like terms: 10 + -10 = 0
0 + -1x = 21 + -10 + -2y
-1x = 21 + -10 + -2y

Combine like terms: 21 + -10 = 11
-1x = 11 + -2y

Divide each side by '-1'.
x = -11 + 2y

Simplifying
x = -11 + 2y

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