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Ghella [55]
3 years ago
12

Un comerciante compró seis camionetas por $2 310 000. Si quiere obtener una ganancia total de $ 577 500, ¿ En cuanto debe vender

cada camioneta?
Mathematics
1 answer:
Dovator [93]3 years ago
7 0
No tengo ni la menor idea
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Solve the system of equations two ways: 3x+y=5 and x-2y=4 A) using substitution B) using elimination
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let's solve for x in 2nd equation
add 2y to both sides
x=2y+4
sub 2y+4 for x in other equation
3(2y+4)+y=5
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minu12 both sides
7y=-7
divide 7
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sub back
x=2y+4
x=2(-1)+4
x=-2+4
x=2
(2,-1)


B. eliminate
eliminate y's
multiply first equation by 2 and add to first

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minus 2
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divide -2
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(2,-1) is answer
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