book
Maths Puzzle
Numerical Ability
Which label describes the following? 3x + 6 = 10
A) Linear equation B) Equation which is not linear C) Expression
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book Other Question
(x-1)(x+2)(2x-3)(3x-6)(x+1)=0
the no of possible values of x that are integer
Use Gaussian elimination to completely solve:
5x+2y+5z=78
-2x+3y-9z=-53
9x-3y+2z=25
My final answer looks like this:
1 0 0 4
0 0 1 8
0 1 0 9
I've been over and over my