18-x=2x+3

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Solution for 18-x=2x+3 equation:


Simplifying
18 + -1x = 2x + 3

Reorder the terms:
18 + -1x = 3 + 2x

Solving
18 + -1x = 3 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
18 + -1x + -2x = 3 + 2x + -2x

Combine like terms: -1x + -2x = -3x
18 + -3x = 3 + 2x + -2x

Combine like terms: 2x + -2x = 0
18 + -3x = 3 + 0
18 + -3x = 3

Add '-18' to each side of the equation.
18 + -18 + -3x = 3 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = 3 + -18
-3x = 3 + -18

Combine like terms: 3 + -18 = -15
-3x = -15

Divide each side by '-3'.
x = 5

Simplifying
x = 5

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