If 2x -3(x + 2) < 5 - 2x < -x + 2, then find the value of x.
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If xy = -18 and x2+ y2= 85, then find the value of (x + y).
If (8 - 10x) - (13x - 2) = -9, then the value of x is
Ticket for an adult is Rs 2200 and a child is Rs 990. One child goes free with two adults. If a group has 23 adults and 11 children, what is the discount the group gets?
Find k, if the line 4x - y = 1 is perpendicular to the line 5x - ky = 2?
What is the length of the side of an equilateral triangle, if its area is 64√3 sq cm?
If 1 + secA = x, then the value of x is
If √[(1 - cosA)/2] = x, then the value of x is