7x-2y=-42

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Solution for 7x-2y=-42 equation: 


Simplifying
7x + -2y = -42

Solving
7x + -2y = -42

Solving for variable 'x'.

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

Add '2y' to each side of the equation.
7x + -2y + 2y = -42 + 2y

Combine like terms: -2y + 2y = 0
7x + 0 = -42 + 2y
7x = -42 + 2y

Divide each side by '7'.
x = -6 + 0.2857142857y

Simplifying
x = -6 + 0.2857142857y

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