" 27.If "1+4+7+10+...+x=287" ,find the value of "x" ."

Find the value of 7 1/2=4/x

Q.7: Find the value of x: x/2+x/4=1

Find the value of x 2x+1=5 3x+4=7+2x

If the mean of 4, 6, x, 9, 10, 5 is 7, find the value of x.

If different values of variable x are 9.8, 5.4 , 3.7 , 1.7 , 1.8 , 2.6 , 2.8 , 10.5 and 11.1 , find the value of sum(x - barx)

1 + 4 + 7 + 10 + … + x = 590, then the value of x is

If the distance between two points ( x , 7) and ( 1 , 15) is 10, find the value of x . (AS_(1))

If the mean of 5, 7, x, 10, 5, and 7 is 7, then find the value of x.

If 2x-1 is a factor of 4x^(3) - 16x^(2) + 10x + k , find the value of k.

if |{:(3x,7),(2,4):}|=10 , find the value of x.