-1-9x-7-8=-4x+9

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Solution for -1-9x-7-8=-4x+9 equation:


Simplifying
-1 + -9x + -7 + -8 = -4x + 9

Reorder the terms:
-1 + -7 + -8 + -9x = -4x + 9

Combine like terms: -1 + -7 = -8
-8 + -8 + -9x = -4x + 9

Combine like terms: -8 + -8 = -16
-16 + -9x = -4x + 9

Reorder the terms:
-16 + -9x = 9 + -4x

Solving
-16 + -9x = 9 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-16 + -9x + 4x = 9 + -4x + 4x

Combine like terms: -9x + 4x = -5x
-16 + -5x = 9 + -4x + 4x

Combine like terms: -4x + 4x = 0
-16 + -5x = 9 + 0
-16 + -5x = 9

Add '16' to each side of the equation.
-16 + 16 + -5x = 9 + 16

Combine like terms: -16 + 16 = 0
0 + -5x = 9 + 16
-5x = 9 + 16

Combine like terms: 9 + 16 = 25
-5x = 25

Divide each side by '-5'.
x = -5

Simplifying
x = -5

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