-63+5x-x=21

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Solution for -63+5x-x=21 equation:


Simplifying
-63 + 5x + -1x = 21

Combine like terms: 5x + -1x = 4x
-63 + 4x = 21

Solving
-63 + 4x = 21

Solving for variable 'x'.

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

Add '63' to each side of the equation.
-63 + 63 + 4x = 21 + 63

Combine like terms: -63 + 63 = 0
0 + 4x = 21 + 63
4x = 21 + 63

Combine like terms: 21 + 63 = 84
4x = 84

Divide each side by '4'.
x = 21

Simplifying
x = 21

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