Question

if x=4, y=3 and z=2, find the value of 3x-2y+z

Answer 1

Here is the shortcut to find the ratio x:y:z , given 3x=4y=12z. All you need to do is ... To find z: Multiply the coefficients of x & y. That is, 3 x 4 =12, this is the value of z. Therefore ...

Answer 2

3×4-2×3+2
12-6+2
12-8
4 is he ans