09/24/12
2x * -1= x + 2 34
two x -1 over 3 equals x+two over 4
please show me how to work this problem
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09/22/12
I just used your equation calculator and now I am more confused there were additional "+" signs and I don't k=know how they got there. Please help.
the equation was
3+2[10(7*5-30)-40]
and it bacame
3+2[10(35+ -30)+ -40]
Why? and How?
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09/19/12
why do mathematics use symbols rather than words
need to know the answer to that question. that is a question on my homework and i don't know the answer and can't find it in my math book
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