9-8x-5-4x=7

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Solution for 9-8x-5-4x=7 equation: 


Simplifying
9 + -8x + -5 + -4x = 7

Reorder the terms:
9 + -5 + -8x + -4x = 7

Combine like terms: 9 + -5 = 4
4 + -8x + -4x = 7

Combine like terms: -8x + -4x = -12x
4 + -12x = 7

Solving
4 + -12x = 7

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -12x = 7 + -4

Combine like terms: 4 + -4 = 0
0 + -12x = 7 + -4
-12x = 7 + -4

Combine like terms: 7 + -4 = 3
-12x = 3

Divide each side by '-12'.
x = -0.25

Simplifying
x = -0.25

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