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5 votes
Can someone tell me how to solve this

Can someone tell me how to solve this-example-1
User TomDogg
by
7.0k points

1 Answer

3 votes
xy=18
y=2x
y = 18/x
y = y
2x = 18/x
2x(x) = 18(1)
2x^2 = 18
x^2 = 18/2
x^2 = 9
so x = square root of 9 = 3
x = 3.
User Eflles
by
6.7k points