Answer:
Y=60
Step-by-step explanation:
S+Y=90
S=(2*Y)-90
Y+2Y-90=90
3Y=180
Y=60
Plug back into S+Y=90
S+60=90
S=30
Answer:
The earth is bigger
Step-by-step explanation:
The Earth is bigger than the sun, because 1 million earths can fit inside the sun.
Answer:
27
Step-by-step explanation:
well add 9 to both sides to get 3x = 15
x = 5
5x5 + 2 = 27
Give me a minute. I’m trying to solve