21=-x-35

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Solution for 21=-x-35 equation:


Simplifying
21 = -1x + -35

Reorder the terms:
21 = -35 + -1x

Solving
21 = -35 + -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.
21 + x = -35 + -1x + x

Combine like terms: -1x + x = 0
21 + x = -35 + 0
21 + x = -35

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

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

Combine like terms: -35 + -21 = -56
x = -56

Simplifying
x = -56

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