Answer:
x = 4 , y = 2
Step-by-step explanation:
3x+9y = 30 --------- (1)
2(3x+9y)+x = 64 ---------(2)
substitute (1) into (2)
2(30)+x = 64
60+x = 64
x = 64-60
x = 4
substitute x=4 into (1)
3x+9y = 30
3(4)+9y = 30
12+9y = 30
9y = 30-12
9y = 18
y = 18/9
y = 2
thus, x = 4 and y = 2
