Answer:d=-1
Step-by-step explanation: you subtract 8 from both sides to get -4d=4 then divide -4 to get d alone. Which will get you to -1=d
Answer:
-22
Step-by-step explanation:
26-82=-56
-56+34=-22
<span>5+1×10
= 5 + 10
= 15</span>
Answer:
Step-by-step explanation:
t22 = a + (n- 1)d
t22 = 3 + 21*4
t22 = 3 + 84
t22 = 87