Answer:
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
a
you would add three to both sides because you are subtracting on the left side, so you would use inverse operations
Answer: 90,720
Step-by-step explanation: 56*54=3,024
5*6= 30
3,024*30=90,720
