9x+7y-8x=-20

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Solution for 9x+7y-8x=-20 equation: 


Simplifying
9x + 7y + -8x = -20

Reorder the terms:
9x + -8x + 7y = -20

Combine like terms: 9x + -8x = 1x
1x + 7y = -20

Solving
1x + 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.
1x + 7y + -7y = -20 + -7y

Combine like terms: 7y + -7y = 0
1x + 0 = -20 + -7y
1x = -20 + -7y

Divide each side by '1'.
x = -20 + -7y

Simplifying
x = -20 + -7y

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