Answer:
y = 5/3
x = 8/3
Steps:
y = x - 1
2x + y = 7
Substitute y = x-1
(2x + x - 1 = 7)
Simplify: 3x - 1 = 7
Isolate x: 3x - 1 = 7: x=8/3
Plug the valuse of x into the other equation (y = x- 1): y = 8/3 - 1
8/3 - 1 = 5/3
y = 5/3
y = 5/3, x = 8/3
Answer:
It looks really good! Lol, I wish I could art ✌
Answer:
II. Angle C cannot be a right angle.
III. Angle C could be less than 45 degrees.
Answer: 81
Step-by-step explanation: 9 times 9 = 81