Please help asap. thank you very much

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x