Need help asap

4

Step-by-step explanation:

x-x = 0

then:

y + x - x = y + 0 = 0

if y = 4

y + x - x = 4

unless if u could do my questions, if not i wouldn't want to

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.