8-3x-9x+7=

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Solution for 8-3x-9x+7= equation:


Simplifying
8 + -3x + -9x + 7 = 0

Reorder the terms:
8 + 7 + -3x + -9x = 0

Combine like terms: 8 + 7 = 15
15 + -3x + -9x = 0

Combine like terms: -3x + -9x = -12x
15 + -12x = 0

Solving
15 + -12x = 0

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -12x = 0 + -15

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

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

Divide each side by '-12'.
x = 1.25

Simplifying
x = 1.25

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