5x-y=30(3)

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Solution for 5x-y=30(3) equation: 


Simplifying
5x + -1y = 30(3)

Multiply 30 * 3
5x + -1y = 90

Solving
5x + -1y = 90

Solving for variable 'x'.

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

Add 'y' to each side of the equation.
5x + -1y + y = 90 + y

Combine like terms: -1y + y = 0
5x + 0 = 90 + y
5x = 90 + y

Divide each side by '5'.
x = 18 + 0.2y

Simplifying
x = 18 + 0.2y

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