a = (2x+4) - (4x+1) = -2x + 3
and
a = (x+3) - (2x+4) = -x - 1
so
2x-3 = x+1
x = 4
4x+1,2x+4 and x+3 are first three terms of arithmetic sequence determine the value of x
1 answer
1 answer
1 answer
1 answer
1 answer
1 answer