Answer:
x=8,y=-1
Step-by-step explanation:
x-2y=10
x=10+2y
10+2y+3y=5
5y=-5
y=-1
x-2(-1)=10
x=8
593
3.14 × = 907.46
3.14 × = 314
907.46 - 314 = 593.46