3x-40=x-y

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Solution for 3x-40=x-y equation:


Simplifying
3x + -40 = x + -1y

Reorder the terms:
-40 + 3x = x + -1y

Solving
-40 + 3x = x + -1y

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-40 + 3x + -1x = x + -1x + -1y

Combine like terms: 3x + -1x = 2x
-40 + 2x = x + -1x + -1y

Combine like terms: x + -1x = 0
-40 + 2x = 0 + -1y
-40 + 2x = -1y

Add '40' to each side of the equation.
-40 + 40 + 2x = 40 + -1y

Combine like terms: -40 + 40 = 0
0 + 2x = 40 + -1y
2x = 40 + -1y

Divide each side by '2'.
x = 20 + -0.5y

Simplifying
x = 20 + -0.5y

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