63-3x=15x+21

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Solution for 63-3x=15x+21 equation:


Simplifying
63 + -3x = 15x + 21

Reorder the terms:
63 + -3x = 21 + 15x

Solving
63 + -3x = 21 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
63 + -3x + -15x = 21 + 15x + -15x

Combine like terms: -3x + -15x = -18x
63 + -18x = 21 + 15x + -15x

Combine like terms: 15x + -15x = 0
63 + -18x = 21 + 0
63 + -18x = 21

Add '-63' to each side of the equation.
63 + -63 + -18x = 21 + -63

Combine like terms: 63 + -63 = 0
0 + -18x = 21 + -63
-18x = 21 + -63

Combine like terms: 21 + -63 = -42
-18x = -42

Divide each side by '-18'.
x = 2.333333333

Simplifying
x = 2.333333333

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