Answer:
Step-by-step explanation:
1/3 + a = 5/4
-1/3 -1/3
<u>a = 4/1 </u>
B because when you calculate it it should be it
Answer:
x = 16
Step-by-step explanation:
(x+2) + (7x+2) + (3x) = 180
<em>Add like terms</em>
7x + x + 3x = 11x
2 + 2 = 4
11x + 4 = 180
<em>Subtract 4</em>
11x + 4 = 180
11x = 176
<em>Divide by 11</em>
11x = 176
x = 16
Answer:
D) 3x + y = 5 and 2x -3y = 7
Step-by-step explanation:
You can plug in the x and y values into the equations, and see if they work. In this case, 3x + y = 5 and 2x -3y = 7 both satisfy (2, -1).
Answer:
72 mins
Step-by-step explanation: