7x - 5y = 21....(4,?)...so sub in 4 for x and solve for y
7(4) - 5y = 21
28 - 5y = 21
-5y = 21 - 28
-5y = - 7
y = 7/5
check..
7(4) - 5(7/5) = 21
28 - 35/5 = 21
28 - 7 = 21
21 = 21 (correct)
the other coordinate is 7/5......(4,7/5)
Answer:
I think the answer would just be 2, I'm not for sure on this one
Answer:
54+61
Step-by-step explanation:
54 + 61 = 115
61 - 54 = 7
Answer:
You have to rotate/mirror
Step-by-step explanation: