X-7y=-20

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Solution for X-7y=-20 equation: 


Simplifying
X + -7y = -20

Solving
X + -7y = -20

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.
X + -7y + 7y = -20 + 7y

Combine like terms: -7y + 7y = 0
X + 0 = -20 + 7y
X = -20 + 7y

Simplifying
X = -20 + 7y

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