5x-10-y=20

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Solution for 5x-10-y=20 equation:


Simplifying
5x + -10 + -1y = 20

Reorder the terms:
-10 + 5x + -1y = 20

Solving
-10 + 5x + -1y = 20

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 5x + 10 + -1y = 20 + 10

Reorder the terms:
-10 + 10 + 5x + -1y = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 5x + -1y = 20 + 10
5x + -1y = 20 + 10

Combine like terms: 20 + 10 = 30
5x + -1y = 30

Add 'y' to each side of the equation.
5x + -1y + y = 30 + y

Combine like terms: -1y + y = 0
5x + 0 = 30 + y
5x = 30 + y

Divide each side by '5'.
x = 6 + 0.2y

Simplifying
x = 6 + 0.2y

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