9x-18=4x-9

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Solution for 9x-18=4x-9 equation:


Simplifying
9x + -18 = 4x + -9

Reorder the terms:
-18 + 9x = 4x + -9

Reorder the terms:
-18 + 9x = -9 + 4x

Solving
-18 + 9x = -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.
-18 + 9x + -4x = -9 + 4x + -4x

Combine like terms: 9x + -4x = 5x
-18 + 5x = -9 + 4x + -4x

Combine like terms: 4x + -4x = 0
-18 + 5x = -9 + 0
-18 + 5x = -9

Add '18' to each side of the equation.
-18 + 18 + 5x = -9 + 18

Combine like terms: -18 + 18 = 0
0 + 5x = -9 + 18
5x = -9 + 18

Combine like terms: -9 + 18 = 9
5x = 9

Divide each side by '5'.
x = 1.8

Simplifying
x = 1.8

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