4X+8=8X-9

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Solution for 4X+8=8X-9 equation:


Simplifying
4X + 8 = 8X + -9

Reorder the terms:
8 + 4X = 8X + -9

Reorder the terms:
8 + 4X = -9 + 8X

Solving
8 + 4X = -9 + 8X

Solving for variable 'X'.

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

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

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

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

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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