14=-x+21

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Solution for 14=-x+21 equation:


Simplifying
14 = -1x + 21

Reorder the terms:
14 = 21 + -1x

Solving
14 = 21 + -1x

Solving for variable 'x'.

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

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

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

Add '-14' to each side of the equation.
14 + -14 + x = 21 + -14

Combine like terms: 14 + -14 = 0
0 + x = 21 + -14
x = 21 + -14

Combine like terms: 21 + -14 = 7
x = 7

Simplifying
x = 7

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