-48=9x+3x

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Solution for -48=9x+3x equation:


Simplifying
-48 = 9x + 3x

Combine like terms: 9x + 3x = 12x
-48 = 12x

Solving
-48 = 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-48 + -12x = 12x + -12x

Combine like terms: 12x + -12x = 0
-48 + -12x = 0

Add '48' to each side of the equation.
-48 + 48 + -12x = 0 + 48

Combine like terms: -48 + 48 = 0
0 + -12x = 0 + 48
-12x = 0 + 48

Combine like terms: 0 + 48 = 48
-12x = 48

Divide each side by '-12'.
x = -4

Simplifying
x = -4

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