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togoodtobetrue4u
 2 years ago
I need help on this question
If 3a + 2b = 7 and 2a + 2b = 9 , what is the value of ?
togoodtobetrue4u
 2 years ago
I need help on this question If 3a + 2b = 7 and 2a + 2b = 9 , what is the value of ?

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kryton1212
 2 years ago
Best ResponseYou've already chosen the best response.13a + 2b = 7(1) 2a + 2b = 9(2) From (1), a = (72b)/3(3) Sub. (3) into (2), 2[(72b)/3]+2b = 9 the solve it

togoodtobetrue4u
 2 years ago
Best ResponseYou've already chosen the best response.0I have three more I'm having trouble with. If I ask for help one at a time, could you help me?
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