-2x-y+84=0

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Solution for -2x-y+84=0 equation:


Simplifying
-2x + -1y + 84 = 0

Reorder the terms:
84 + -2x + -1y = 0

Solving
84 + -2x + -1y = 0

Solving for variable 'x'.

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

Add '-84' to each side of the equation.
84 + -2x + -84 + -1y = 0 + -84

Reorder the terms:
84 + -84 + -2x + -1y = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -2x + -1y = 0 + -84
-2x + -1y = 0 + -84

Combine like terms: 0 + -84 = -84
-2x + -1y = -84

Add 'y' to each side of the equation.
-2x + -1y + y = -84 + y

Combine like terms: -1y + y = 0
-2x + 0 = -84 + y
-2x = -84 + y

Divide each side by '-2'.
x = 42 + -0.5y

Simplifying
x = 42 + -0.5y

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