7x-y+7=0

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Solution for 7x-y+7=0 equation:


Simplifying
7x + -1y + 7 = 0

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

Solving
7 + 7x + -1y = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + 7x + -7 + -1y = 0 + -7

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

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

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

Add 'y' to each side of the equation.
7x + -1y + y = -7 + y

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

Divide each side by '7'.
x = -1 + 0.1428571429y

Simplifying
x = -1 + 0.1428571429y

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