7x+y-31=0

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Solution for 7x+y-31=0 equation:


Simplifying
7x + y + -31 = 0

Reorder the terms:
-31 + 7x + y = 0

Solving
-31 + 7x + y = 0

Solving for variable 'x'.

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

Add '31' to each side of the equation.
-31 + 7x + 31 + y = 0 + 31

Reorder the terms:
-31 + 31 + 7x + y = 0 + 31

Combine like terms: -31 + 31 = 0
0 + 7x + y = 0 + 31
7x + y = 0 + 31

Combine like terms: 0 + 31 = 31
7x + y = 31

Add '-1y' to each side of the equation.
7x + y + -1y = 31 + -1y

Combine like terms: y + -1y = 0
7x + 0 = 31 + -1y
7x = 31 + -1y

Divide each side by '7'.
x = 4.428571429 + -0.1428571429y

Simplifying
x = 4.428571429 + -0.1428571429y

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