Question

Using cross multiplication, which of the following is the solution to 1/(x+2) = 2/(x-3)?

7


11


-11


-7

Answer 1

1(x-3)=2(x+2)

x-3=2x+4

subtract 4 from each side

x-7=2x

subtract x from each side

-7=x

Your answer is x=-7.