Question

For an given A.P. t7 = 4, d = -4, then find the value of a = ?​

Answer 1

t7 = 4, d = -4

a + 6d = 4

a + 6(-4) = 4

a = 4+24

a= 28

Answer 2

Step-by-step explanation:

t7=4

d=-4

t7=a+(n-1)d

t7=a+6d

4=a+6(-4)

4=a+(-24)

a= -24-4

a= -28

hope you get the right