exam
Maths Puzzle
Numerical Ability
I need major help
solve each of the eqautions of x
25x=13
and
2(x-5)^2=3
thanks
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exam Other Question
18=y/7
Use Gauss-Jordan elimination method to solve
2x-5y+5z=17
x-2y+3z=9
-x+3y=-4
I NEED HELP KNOWING HOW TO USE THIS METHOD