exam
Maths Puzzle
Numerical Ability
can you please help me simplify by dividing: (((x(3)=2x(3)-6 over x-1)))
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exam Other Question
if y varies directly with x, and y=44 when x=4 find the constant of variation k
3x-4y=7
2x-y=3
then
3x-4y=7
-8x+4y=-12
adding
-5x=-5 then x=1 then 3-4y=7 then 4y=-4 then y=-1
Solution: x=1,y=-1