18=2x-3+x+4.5

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Solution for 18=2x-3+x+4.5 equation:


Simplifying
18 = 2x + -3 + x + 4.5

Reorder the terms:
18 = -3 + 4.5 + 2x + x

Combine like terms: -3 + 4.5 = 1.5
18 = 1.5 + 2x + x

Combine like terms: 2x + x = 3x
18 = 1.5 + 3x

Solving
18 = 1.5 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
18 + -3x = 1.5 + 3x + -3x

Combine like terms: 3x + -3x = 0
18 + -3x = 1.5 + 0
18 + -3x = 1.5

Add '-18' to each side of the equation.
18 + -18 + -3x = 1.5 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = 1.5 + -18
-3x = 1.5 + -18

Combine like terms: 1.5 + -18 = -16.5
-3x = -16.5

Divide each side by '-3'.
x = 5.5

Simplifying
x = 5.5

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