8=4x-9

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Solution for 8=4x-9 equation:


Simplifying
8 = 4x + -9

Reorder the terms:
8 = -9 + 4x

Solving
8 = -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.
8 + -4x = -9 + 4x + -4x

Combine like terms: 4x + -4x = 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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