After subtracting 3 from 7, and dividing 4 by 2, you should end up with x=2.
It's the same angle. The equation, then, is 5y+1=51. Subtract one from both sides, so now you've got 5y=50. Divide each side by 5 and you've got y=10.
2. 3. 5. are correct
1. and 4. are actually interchanged
Answer:
A(r)=15-3r
Step-by-step explanation:
switch the sign of +3r to make it -3r
