3x+5x=18-2x

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Solution for 3x+5x=18-2x equation: 


Simplifying
3x + 5x = 18 + -2x

Combine like terms: 3x + 5x = 8x
8x = 18 + -2x

Solving
8x = 18 + -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.
8x + 2x = 18 + -2x + 2x

Combine like terms: 8x + 2x = 10x
10x = 18 + -2x + 2x

Combine like terms: -2x + 2x = 0
10x = 18 + 0
10x = 18

Divide each side by '10'.
x = 1.8

Simplifying
x = 1.8

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