8=-4x-7+9x

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


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

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

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

Solving
8 = -7 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
8 + -5x = -7 + 5x + -5x

Combine like terms: 5x + -5x = 0
8 + -5x = -7 + 0
8 + -5x = -7

Add '-8' to each side of the equation.
8 + -8 + -5x = -7 + -8

Combine like terms: 8 + -8 = 0
0 + -5x = -7 + -8
-5x = -7 + -8

Combine like terms: -7 + -8 = -15
-5x = -15

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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