book
Maths Puzzle
Numerical Ability
I need to know how to graph
3x-2y=6
x+y=2
and i also need to know how many solutions it has.
can you help me please? thanks a lot!
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book Other Question
If n x 3.82 is about 120, what is a reasonable estimate for n?
(I am just starting on algebra, and need to see if I am doing this right, thank you)
-3(b-8)-5=9(b+2)+1