8-4X=-9

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Solution for 8-4X=-9 equation: 


Simplifying
8 + -4X = -9

Solving
8 + -4X = -9

Solving for variable 'X'.

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

Add '-8' to each side of the equation.
8 + -8 + -4X = -9 + -8

Combine like terms: 8 + -8 = 0
0 + -4X = -9 + -8
-4X = -9 + -8

Combine like terms: -9 + -8 = -17
-4X = -17

Divide each side by '-4'.
X = 4.25

Simplifying
X = 4.25

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