Algebra

Eeek, can anyone tell me what the values are equal to when:

a - b = 8

2a + b =7

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2a + 3b = 7

2a - b = -1

Quote:

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Originally Posted by Rules for this section

School/College work help
Post here to see if anybody can help you, when we say help we dont mean let them do your work for you.

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Wayne. (Forum Administrator) Please don't ask people on the forum for answers for your homework. Feel free to ask for help, but not the actual answers. Thread closed.

erm im not sure but.

2a + b =7

2(3)+(1)=7

Read Wayne's edit.