" 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

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)

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

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

If 3x-7y=10\ and x y=-1, find the value of 9x^2+49 y^2

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

If y=3x+1=4[x-1]-10 then find the value of [x+2y]

If 3x-7y=10 and xy=-1, find the value of 9x^(2)+49y^(2)

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