18=5x-4x+9

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Solution for 18=5x-4x+9 equation:


Simplifying
18 = 5x + -4x + 9

Reorder the terms:
18 = 9 + 5x + -4x

Combine like terms: 5x + -4x = 1x
18 = 9 + 1x

Solving
18 = 9 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
18 + -1x = 9 + 1x + -1x

Combine like terms: 1x + -1x = 0
18 + -1x = 9 + 0
18 + -1x = 9

Add '-18' to each side of the equation.
18 + -18 + -1x = 9 + -18

Combine like terms: 18 + -18 = 0
0 + -1x = 9 + -18
-1x = 9 + -18

Combine like terms: 9 + -18 = -9
-1x = -9

Divide each side by '-1'.
x = 9

Simplifying
x = 9

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