21+x+y=33

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Solution for 21+x+y=33 equation:


Simplifying
21 + x + y = 33

Solving
21 + x + y = 33

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + x + -21 + y = 33 + -21

Reorder the terms:
21 + -21 + x + y = 33 + -21

Combine like terms: 21 + -21 = 0
0 + x + y = 33 + -21
x + y = 33 + -21

Combine like terms: 33 + -21 = 12
x + y = 12

Add '-1y' to each side of the equation.
x + y + -1y = 12 + -1y

Combine like terms: y + -1y = 0
x + 0 = 12 + -1y
x = 12 + -1y

Simplifying
x = 12 + -1y

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