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Please help i have no idea what im doing!
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3 votes
Please help i have no idea what im doing!

Please help i have no idea what im doing!-example-1
User Shinese
by
4.7k points

1 Answer

3 votes

Answer:

x represents hours of babysitting

y represents hours of music lesson

hours on babysitting: 11

hours on music lessons: 7

Explanation:

x+y=18

5x+12y=139

-5(x+y=18)

=-5x-5y=-90

(5x+12y=139) + (-5x-5y=-90)

7y=49

y=7

x+7=18

x=11

User Synic
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3.9k points
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