Answer:
30/4 -> 15/2 -> 7.5
Step-by-step explanation:
3/4x = 10
"undo" the division by multiplying
3/4x * 3/4 = 10 * 3/4
x = 30/4 -> 15/2 -> 7.5
Divide 3/4x by 3/4 and divide 10 by 3/4.
You should get x=0.83
