12rocks 6 in each 2 equal piles 4 in each 3 equal piles And 3 in each 4 equal piles
Answer:
the answer iskskdmokke
6. r=2
8.x=3
Step-by-step explanation:
6. 4r-3=5
4r-3=5 add 3 to both sides
4r=8 divide 4 by both sides
r=2
8. 5x-6=9
5x-6=9 add 6 to both sides
5x=15 divide 5 by both sides
x=3