3a - 1 = 12
+1 +1
—————-
3a = 13
—- ——
3 3
—————
A=4 1/3
Answer:400
Step-by-step explanation:3704
7.16 dpollars for one candy bar
Answer:
C. (5, -3)
Step-by-step explanation:
4x + 3y = 11
x - y = 8 (multiply by 3) --> 3x - 3y = 24
4x + 3y = 11
3x - 3y = 24
---------------------add
7x = 35
x = 5
5 - y = 8
y = 5 - 8
y = -3
(5, -3)