Question

What is the value of x in the equation 4x + 8y = 40, when y=0.8

Answer 1

Answer:

when you =0.8=4/5

4x + 8(4/5)=40

4x=40-32/5

4×=(200-32)/5

x=168/20

Answer 2

Step-by-step explanation:

4x+8y=40, when y=0.8

4x+8(0.8)=40

4x+6.4=40

4x=40-6.4

4x=33.6

x=33.6/4

x=8.4