-21x+63=0

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Solution for -21x+63=0 equation: 


Simplifying
-21x + 63 = 0

Reorder the terms:
63 + -21x = 0

Solving
63 + -21x = 0

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 + -21x = 0 + -63

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

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

Divide each side by '-21'.
x = 3

Simplifying
x = 3

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