x/7-7y=20

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Solution for x/7-7y=20 equation: 


x in (-oo:+oo)

x/7-(7*y) = 20 // - 20

x/7-(7*y)-20 = 0

x/7-7*y-20 = 0

1/7*x-7*y-20 = 0 // + -7*y-20

1/7*x = -(-7*y-20) // : 1/7

x = (-(-7*y-20))/1/7

x = 7*(20-(-7*y))

x = 7*(20-(-7*y))

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