Answer:
x=1.85531914
Step-by-step explanation:
Answer:
17
Step-by-step explanation:
12 -6 divided by 3 is 2, so 15+2 is 17
Answer:

Step-by-step explanation:
y-0.8x=0.5
y*10-0.8x*10=0.5*10
10y-8x=5
10y-8x+8x=5+8x
10y/10=5/10+8x/10
y=5+8x/10
5*5+8x/10-2.5
8x+5/2-2.5=4x
y=5+8x/10, x=x