2x-1-y=4

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Solution for 2x-1-y=4 equation:


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

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

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

Solving for variable 'x'.

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

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

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

Combine like terms: -1 + 1 = 0
0 + 2x + -1y = 4 + 1
2x + -1y = 4 + 1

Combine like terms: 4 + 1 = 5
2x + -1y = 5

Add 'y' to each side of the equation.
2x + -1y + y = 5 + y

Combine like terms: -1y + y = 0
2x + 0 = 5 + y
2x = 5 + y

Divide each side by '2'.
x = 2.5 + 0.5y

Simplifying
x = 2.5 + 0.5y

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