Question

What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3

Answer 1

y=9

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

Answer 2

9

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