Question

(0.3 + 0.7x) /2=0.85x

Answer 1

Answer:

Step-by-step explanation:

0.3+0.7x/2=0.85x

0.7x-0.85x=-0.3/2

7x/10-85x/100=-3/10×2

70x-85x/100=-3/5

-15/100x=-3/5

x= -3/5×-100/15

x=4

Answer is 4