3x+7y=-42

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Solution for 3x+7y=-42 equation: 


Simplifying
3x + 7y = -42

Solving
3x + 7y = -42

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
3x + 7y + -7y = -42 + -7y

Combine like terms: 7y + -7y = 0
3x + 0 = -42 + -7y
3x = -42 + -7y

Divide each side by '3'.
x = -14 + -2.333333333y

Simplifying
x = -14 + -2.333333333y

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