1/2x+4/5y=6/7 in standard form

Answer

I'm sorry I can't promise you that it's right, but I tried my best and got

x = 1.714285 * 10 ^0

explanation

I worked out x and got 12/7

then I got it's as a decimal, 1.71485

then I put it in standard form, as the answer above is showing

that's the best I could do. sorry if it's wrong