Answer:
x= 42
Step-by-step explanation:
x/2+9=30
x+18=60
x=60-18
x= 42
Answer:
Y=2x+4
Step-by-step explanation:
The x has to be at 0 so you count down by 2's since its negative till its at 0 hope this helps!:)
Answer:
13x10^15
Step-by-step explanation:
8+5 = 13
6+9 = 15
39/10 I’m not sure! Use the app called photo math
