Question

what is the value of x in the equaition 4x+8y=40 when y=0.8

Answer 1

Answer:

4x+8y=40

=>X+2y=10

=>X=10-2y

=>X=10-2×0.8

==>X=8.4

Answer 2

Answer:

8.4

Step-by-step explanation:

4x + 8y = 40

=> 4x=40-8y

=>4x= 40 - 8*(.8)

=>4x=40-6.4

=>x=33.6/4

=>x=8.4