Answer:
-4
Step-by-step explanation:
2x + 3y = -14
x - y = 3
Multiply the second equation by -2 to eliminate x
2x + 3y = -14
-2x +2 y = -6
-----------------------
5y = -20
Divide by 5
5y/5 = -20/5
y = -4
Answer:
40 stamps
Step-by-step explanation:
125 x .68= 85 stamps. 125-85=40
Answer:
a
Step-by-step explanation:
substitute n = 5 into the explicit formula , then
a₅ = 4 + (5 + 1)(- 5) = 4 + 6(- 5) = 4 - 30 = - 26
Answer:
6a+11
Step-by-step explanation: