2x+7y-9+-y+4=

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Solution for 2x+7y-9+-y+4= equation:


Simplifying
2x + 7y + -9 + -1y + 4 = 0

Reorder the terms:
-9 + 4 + 2x + 7y + -1y = 0

Combine like terms: -9 + 4 = -5
-5 + 2x + 7y + -1y = 0

Combine like terms: 7y + -1y = 6y
-5 + 2x + 6y = 0

Solving
-5 + 2x + 6y = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 2x + 5 + 6y = 0 + 5

Reorder the terms:
-5 + 5 + 2x + 6y = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 2x + 6y = 0 + 5
2x + 6y = 0 + 5

Combine like terms: 0 + 5 = 5
2x + 6y = 5

Add '-6y' to each side of the equation.
2x + 6y + -6y = 5 + -6y

Combine like terms: 6y + -6y = 0
2x + 0 = 5 + -6y
2x = 5 + -6y

Divide each side by '2'.
x = 2.5 + -3y

Simplifying
x = 2.5 + -3y

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