-4=8x-9x

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


Simplifying
-4 = 8x + -9x

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

Solving
-4 = -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-4 + x = -1x + x

Combine like terms: -1x + x = 0
-4 + x = 0

Add '4' to each side of the equation.
-4 + 4 + x = 0 + 4

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

Combine like terms: 0 + 4 = 4
x = 4

Simplifying
x = 4

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