22 - 1 = -3d
21= -3d
21/-3= d
-7 = d
Bring the 1 to the other side by doing the opposite sign, so subtract 1. Solve the left side.
Bring the 3 to the other side by doing the opposite sign, so divide 21 by -3.
End with D equaling -7
P-$15=her total bill
hope this helped
1 x 7 = 7
hope that helps
*7 is a prime number
Answer:
R= 4.6 in
Step-by-step explanation:
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