3 years ago

Solve each system by elimination. 5x + 7y = 7 , -4 + 3y. =3

1 answer:

8 0

The answer is x=28/15 and y=7/ 3

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kari74 [83]

11/42
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Soloha48 [4]

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3 years ago

aliya0001 [1]

Answer:

4 hours

Step-by-step explanation:

Write an equation

19 +1.5x < 15+2.75x

Subtarct 15 on both sides

4+1.5x<2.75x

subtract 1.5x on both sides

4< 1.25x

Divide 1.25 on each side

3.2<X

Since they on,y charge per hour so 4 hours

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4 years ago