# Algebra

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4x-5y=-2
3y-x=-3
4x+5y=-2
4y-x=11
3x-6y=5
2y=4x-6
2x+y=9
2x-5x=15
3y-x=0
x-4y=-2
3(y-1)=2(x-3)
3y-2x=-2.25
y=3x
y=3x+1
Alkana and Hsu together earn \$84,326 per year. If Alkana earns \$12,468 more per year than HSU, then how much does each of them earn per year?

Mrs Brighton invested \$30,000 and received a total of \$2,300 in interest. If she invested part of the money at 10% and the remainder at 5%, then how much did she invest at each rate?

Tickets for a concert were sold to adults for \$3 and to students for \$2. If the total receipts were \$824 and twice as many adult tickects as students tickects were sold, then how many of each were sold?

3x+4y+-5
5x+6y+-1
2x=2-y
3x+y=-1
5x-y=1
10x-2y=2
x/4-y/3=-4
x/8+y/6=0
3/7x+5/9y=27
1/9x+2/7y=7

what is the question on all this? The algebratic equations are useless without some explainations.

• Algebra -

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86
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=8768ik6t

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