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Vilka [71]
2 years ago
15

There are 40 pupils in a class. There are x more girls than boys. How many boys are there in terms of x?

Mathematics
1 answer:
Ierofanga [76]2 years ago
5 0
<span>The answer is (40-x)/2</span>
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Similfy 1/2 (30x + 4y - 14 ) +1/4 (16x - 28y + 4)
Hoochie [10]

Answer:

19x - 5y - 6

Hope this helped

Step-by-step explanation:

You start by simplifying each expression, you will be distributing the number outside the parentheses  on each number inside the parentheses

1/2(30x+4y-14)

1/4(16x -28 +4)

leaving you with

15x + 2y - 7 + 4x - 7y + 1

combine the x's y's and the singular numbers

19x - 5y - 6

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3 years ago
Wich expression can be written as 9x(12+7)
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I don't know if this is right or not, but that's how I would solve it!

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