4x+y-40=2x-y+20

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Solution for 4x+y-40=2x-y+20 equation:


Simplifying
4x + y + -40 = 2x + -1y + 20

Reorder the terms:
-40 + 4x + y = 2x + -1y + 20

Reorder the terms:
-40 + 4x + y = 20 + 2x + -1y

Solving
-40 + 4x + y = 20 + 2x + -1y

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-40 + 4x + -2x + y = 20 + 2x + -2x + -1y

Combine like terms: 4x + -2x = 2x
-40 + 2x + y = 20 + 2x + -2x + -1y

Combine like terms: 2x + -2x = 0
-40 + 2x + y = 20 + 0 + -1y
-40 + 2x + y = 20 + -1y

Add '40' to each side of the equation.
-40 + 2x + 40 + y = 20 + 40 + -1y

Reorder the terms:
-40 + 40 + 2x + y = 20 + 40 + -1y

Combine like terms: -40 + 40 = 0
0 + 2x + y = 20 + 40 + -1y
2x + y = 20 + 40 + -1y

Combine like terms: 20 + 40 = 60
2x + y = 60 + -1y

Add '-1y' to each side of the equation.
2x + y + -1y = 60 + -1y + -1y

Combine like terms: y + -1y = 0
2x + 0 = 60 + -1y + -1y
2x = 60 + -1y + -1y

Combine like terms: -1y + -1y = -2y
2x = 60 + -2y

Divide each side by '2'.
x = 30 + -1y

Simplifying
x = 30 + -1y

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