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oksano4ka [1.4K]
2 years ago
13

Help me please. its due soon

Mathematics
2 answers:
sleet_krkn [62]2 years ago
6 0

Answer: y = 11

Step-by-step explanation:

first, i collected the like terms.

7y + 9 = 4y + 42

then, i moved the terms.

7y - 4y + 42 - 9

then, i collected the like terms and calculated it.

3y - 33

finally, i divided both sides.

y = 11

ZanzabumX [31]2 years ago
4 0

Answer:

y = 11

Step-by-step explanation:

-5y + 12y + 9 = 4y + 42

Add like terms on the left side, -5y + 12y.

7y + 9 = 4y + 42

Subtract 4y from both sides.

3y + 9 = 42

Subtract 9 from both sides.

3y = 33

Divide both sides by 3.

y = 11

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Answer:

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Step-by-step explanation:

Let the number of children be x

Let the number of  adults be y

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