2(x-2)-y=-9

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Solution for 2(x-2)-y=-9 equation:


Simplifying
2(x + -2) + -1y = -9

Reorder the terms:
2(-2 + x) + -1y = -9
(-2 * 2 + x * 2) + -1y = -9
(-4 + 2x) + -1y = -9

Solving
-4 + 2x + -1y = -9

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 2x + 4 + -1y = -9 + 4

Reorder the terms:
-4 + 4 + 2x + -1y = -9 + 4

Combine like terms: -4 + 4 = 0
0 + 2x + -1y = -9 + 4
2x + -1y = -9 + 4

Combine like terms: -9 + 4 = -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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