(-9x)-21=35-x

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Solution for (-9x)-21=35-x equation:


Simplifying
(-9x) + -21 = 35 + -1x

Reorder the terms:
-21 + (-9x) = 35 + -1x

Solving
-21 + (-9x) = 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 + (-9x) + x = 35 + -1x + x

Combine like terms: (-9x) + x = -8x
-21 + -8x = 35 + -1x + x

Combine like terms: -1x + x = 0
-21 + -8x = 35 + 0
-21 + -8x = 35

Add '21' to each side of the equation.
-21 + 21 + -8x = 35 + 21

Combine like terms: -21 + 21 = 0
0 + -8x = 35 + 21
-8x = 35 + 21

Combine like terms: 35 + 21 = 56
-8x = 56

Divide each side by '-8'.
x = -7

Simplifying
x = -7

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