3x+7y-31=14

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Solution for 3x+7y-31=14 equation:


Simplifying
3x + 7y + -31 = 14

Reorder the terms:
-31 + 3x + 7y = 14

Solving
-31 + 3x + 7y = 14

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 + 3x + 31 + 7y = 14 + 31

Reorder the terms:
-31 + 31 + 3x + 7y = 14 + 31

Combine like terms: -31 + 31 = 0
0 + 3x + 7y = 14 + 31
3x + 7y = 14 + 31

Combine like terms: 14 + 31 = 45
3x + 7y = 45

Add '-7y' to each side of the equation.
3x + 7y + -7y = 45 + -7y

Combine like terms: 7y + -7y = 0
3x + 0 = 45 + -7y
3x = 45 + -7y

Divide each side by '3'.
x = 15 + -2.333333333y

Simplifying
x = 15 + -2.333333333y

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