Question

For an given A.P. t7 =4, d=-4 then a=​

Answer 1

Answer:

a7=a+6d

4=a+6(-4)

4=a-24

a=4+24

a=28

Answer 2

Step-by-step explanation:

a+(n-1)*d

a+(7-1)-4=4

a+6*-4

a-24=4

a=4+24

a28 answer