a+6d= -4
a+12d= -16
solve using elemination method
Answers
Answered by
0
Answer:
-2
Step-by-step explanation:
a+6d= -4
a+12d= -16
- - -
_________
-6d = 12
d = -2
Answered by
0
Answer:
eq2 - eq1
a+12d-(a+6d) =-12
b = -2
a = 8
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