Answer:
r = 4- 2a/3
In the words of the problem, its r = 4 minus two-thirds a
Step-by-step explanation:
You can set up a general equation for this problem, and then solve for r to get your answer. In this case its:
4a + 6r = 24
Now move 4a to the other side by subtracting 4a from both sides:
6r = 24-4a
Finally, divide both sides by 6 to get:
r = 4- 2a/3
In the words of the problem, its r = 4 minus two-thirds a
Answer:
B. (-3, -2)
Step-by-step explanation:
Multiply the first equation by -1/3 and add the result to the second equation.
-1/3(3x -3y) +(5x -y) = -1/3(-3) +-13
4x = -12 . . . . simplify
x = -3 . . . . . . divide by 4
Substituting this into -1/3 times the first equation, we get ...
-(-3) +y = 1
y = -2 . . . . . . . subtract 3
The solution is (x, y) = (-3, -2).
Answer:
(4-2)x12=24
(7-3)x12=48
24+24+48+48=144
Step-by-step explanation: