5g+4(-5+3g)=1-g
Multiply the number outside of the parenthesis with the numbers inside the parenthesis
5g-20+12g=1-g
Add g to both sides
6g-20+12g=1
Add 20 to both sides
6g+12g=21
Add 6g and 12g
18g=21
Divide 18 on both sides
Final Answer: g= 1.166666666666667 or 1 3/16