63=3x+9

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Solution for 63=3x+9 equation:


Simplifying
63 = 3x + 9

Reorder the terms:
63 = 9 + 3x

Solving
63 = 9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
63 + -3x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
63 + -3x = 9 + 0
63 + -3x = 9

Add '-63' to each side of the equation.
63 + -63 + -3x = 9 + -63

Combine like terms: 63 + -63 = 0
0 + -3x = 9 + -63
-3x = 9 + -63

Combine like terms: 9 + -63 = -54
-3x = -54

Divide each side by '-3'.
x = 18

Simplifying
x = 18

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