Answer:
r=0
Step-by-step explanation:
10r-5r=3r-8r
We move all terms to the left:
10r-5r-(3r-8r)=0
We add all the numbers together, and all the variables
10r-5r-(-5r)=0
5r-(-5r)=0
We get rid of parentheses
5r+5r=0
10r=0
r=0/10
Answer:the answer is {( -5,1),(-3,2),(-1,3),(1,4),(3,5)}
Step-by-step explanation: The x should not repeat
1250 pounds
1625=x+30%
1625=1.3x
x=1250
