7.91 = 8 21.9 = 22
8 + 22 = 30
x=7x-21
Step-by-step explanation:
- x=7x-21
- 21=7x-x
- 21=6x
- x=21/6
- x=7/2
- x=3.5
for the 0 u put zero the for 5 u put 40 then for 10 u put 80 then for 15 u put 120 then for 20 u put 160
Step-by-step explanation:
Indeed the brainliest is t
The answer is 3/5 because i did the math on my paper and yea
