One-fifth of a certain number decreased by 3 is equal to 1. Which is the number?
10
20
30
40
If x = -6 and 2(ax + 10) = 6x - 12 find a
16/2
14/4
17/3
12/2
Find the value of x from the equation
-4/2
-8/3
-2/3
-6
Equal sides of an isosceles triangle are (3x + 2) cm and (9x-5/2) cm find x = ?
3
2
5
1.5
Solve: (x - 2) + 5 = (x + 1)(x - 1) + x
4
Solve (x + 2)x = x2 + 8x - 4
-1/3
1/3
2/3
If a = 3 then 2x - 5 = a hence find 'b' if x/2 - b = 1/2
3/2
1/2
(x -4)/3 -(5x - 2)/4 = 2
3/4
22/10
-12/11
-14/11
Find the value of x from the equation 3(2x + 2) -2(x - 6) = 12
-2
-3/2
The reciprocal of (-5/4)38 is _________
(-4/5)38
(-5/4)38
(4/5)38
None of these