-9x-63=3x+15

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Solution for -9x-63=3x+15 equation:


Simplifying
-9x + -63 = 3x + 15

Reorder the terms:
-63 + -9x = 3x + 15

Reorder the terms:
-63 + -9x = 15 + 3x

Solving
-63 + -9x = 15 + 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 + -9x + -3x = 15 + 3x + -3x

Combine like terms: -9x + -3x = -12x
-63 + -12x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
-63 + -12x = 15 + 0
-63 + -12x = 15

Add '63' to each side of the equation.
-63 + 63 + -12x = 15 + 63

Combine like terms: -63 + 63 = 0
0 + -12x = 15 + 63
-12x = 15 + 63

Combine like terms: 15 + 63 = 78
-12x = 78

Divide each side by '-12'.
x = -6.5

Simplifying
x = -6.5

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