exam
Maths Puzzle
Numerical Ability
Subtract. Simplify, if possible.
5-w/w-9 - 9w-7/9-w
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exam Other Question
5n-4=11 the replacewment set is {2,3,4}
x2-x=2 the replacement set is {0,2,4}
7.2y=36 the replacement set is { 5,50,500}
#1) (2x-3) (4x+5)=0
#2) X to the second power -3x=0
How do I solve this?