3x+5-y=18

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


Simplifying
3x + 5 + -1y = 18

Reorder the terms:
5 + 3x + -1y = 18

Solving
5 + 3x + -1y = 18

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + 3x + -5 + -1y = 18 + -5

Reorder the terms:
5 + -5 + 3x + -1y = 18 + -5

Combine like terms: 5 + -5 = 0
0 + 3x + -1y = 18 + -5
3x + -1y = 18 + -5

Combine like terms: 18 + -5 = 13
3x + -1y = 13

Add 'y' to each side of the equation.
3x + -1y + y = 13 + y

Combine like terms: -1y + y = 0
3x + 0 = 13 + y
3x = 13 + y

Divide each side by '3'.
x = 4.333333333 + 0.3333333333y

Simplifying
x = 4.333333333 + 0.3333333333y

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