21=35-2x

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Solution for 21=35-2x equation:


Simplifying
21 = 35 + -2x

Solving
21 = 35 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
21 + 2x = 35 + -2x + 2x

Combine like terms: -2x + 2x = 0
21 + 2x = 35 + 0
21 + 2x = 35

Add '-21' to each side of the equation.
21 + -21 + 2x = 35 + -21

Combine like terms: 21 + -21 = 0
0 + 2x = 35 + -21
2x = 35 + -21

Combine like terms: 35 + -21 = 14
2x = 14

Divide each side by '2'.
x = 7

Simplifying
x = 7

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