Answer:
9
Step-by-step explanation:
6.4(x)+2.8y=44.4
6.4(3)+2.8y=44.4
19.2+2.8y=44.4
2.8y=25.2
y=9
Answer:
y=9
Step-by-step explanation:
plus in the 3 into x and move the constant to the right. go ahead and calculate then divide by both sides. you should end up with y=9
