Answer:
3.5
Step-by-step explanation:
7 / 1/2 = 3.5
-12+4y=x..............1
6(-12+4y)+4y=8
-72+24y+4y=8
28y=80
y=3.33
-12+4(3.33)=x
1.32=x
so what I do is caunt or just add 7 +8 it will equal 15
Answer 9/7 = 3/4 & 10/25= 2/5
