Step-by-step explanation:
(this probably won't help so sorry) this is how I would do it:
6x+24 =90
90-24=66
6x= 66
66/6 =11
x=11
12x2-3=21
this would be your equation because there are 12 tigers
The other number is 18/y.
(21+21)÷7
Step-by-step explanation:
21+21=42 42÷7=6 I'm not good at explaining lol