Answer:
equation: 4x+6=9
x=0.75
Step-by-step explanation:
4x+6=9
subtract 6 from both sides
4x+6-6=9-6
4x=3
divide by 4 on both sides
4x÷4=3÷4
I hope this is good enough:
Between B and C..
I would say between B and C - then the remaining air in the tyre had to be let out.
1st: 8x +2
2nd: 17x + 11
3rd: 8x + 19
4th: 9x + 125
5th: 17x + 21y + 18