6r+7=13+7r
Move 7r to the other side. Sign changes from +7r to -7r.
6r-7r+7=13+7r-7r
6r-7r+7=13
-r+7=13
Move +r to the other side. Sign changes from +7 to -7.
-r+7-7=13-7
-r=6
Multiply by -1 to get positive and for 6
-r(-1)=6(-1)
r=-6
Answer: r=-6
Answer:
c = 3p
graph is in the image attached
Step-by-step explanation:
Answer:
Frank is wrong
Step-by-step explanation:
35 is a multiply by 5 so it is not a prime number.
Answer:
x and 2x+1
Step-by-step explanation: