3x-5y-3=18

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


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

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

Solving
-3 + 3x + -5y = 18

Solving for variable 'x'.

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

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

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

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

Combine like terms: 18 + 3 = 21
3x + -5y = 21

Add '5y' to each side of the equation.
3x + -5y + 5y = 21 + 5y

Combine like terms: -5y + 5y = 0
3x + 0 = 21 + 5y
3x = 21 + 5y

Divide each side by '3'.
x = 7 + 1.666666667y

Simplifying
x = 7 + 1.666666667y

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