X-21=-(x+1)

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Solution for X-21=-(x+1) equation:


Simplifying
X + -21 = -1(x + 1)

Reorder the terms:
-21 + X = -1(x + 1)

Reorder the terms:
-21 + X = -1(1 + x)
-21 + X = (1 * -1 + x * -1)
-21 + X = (-1 + -1x)

Solving
-21 + X = -1 + -1x

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 + 21 + X = -1 + 21 + -1x

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

Combine like terms: -1 + 21 = 20
X = 20 + -1x

Simplifying
X = 20 + -1x

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