-8x+21=21

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Solution for -8x+21=21 equation: 


Simplifying
-8x + 21 = 21

Reorder the terms:
21 + -8x = 21

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

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

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

Solving
-8x = 0

Solving for variable 'x'.

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

Divide each side by '-8'.
x = 0

Simplifying
x = 0

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