20-xy+2=7

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Solution for 20-xy+2=7 equation:


Simplifying
20 + -1xy + 2 = 7

Reorder the terms:
20 + 2 + -1xy = 7

Combine like terms: 20 + 2 = 22
22 + -1xy = 7

Solving
22 + -1xy = 7

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + -22 + -1xy = 7 + -22

Combine like terms: 22 + -22 = 0
0 + -1xy = 7 + -22
-1xy = 7 + -22

Combine like terms: 7 + -22 = -15
-1xy = -15

Divide each side by '-1y'.
x = 15y-1

Simplifying
x = 15y-1

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