5g+4(-5+3g)=1-g

my solve(which didn't work tried 5 times)
5g-20+12g=1-g
17g-20=1-g
18g-20=1
18g=21
g=21/18=7/6

where did i go wrong?

1 answer

I got the same answer, but simplified 7/6 to 1 1/6