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Mandarinka [93]
3 years ago
6

2 sides equations

Mathematics
1 answer:
lapo4ka [179]3 years ago
6 0

Answer:

15x-8x-5x=48

3x=48

or X=16

4=4y+2y

or 4= 6y

or 4/6=y

or y=2/3

4-5x= 3x

or 4=5x+3x

or 4=8x

or 4/8=X

or X=2

2x=2x-5+8

or,2x= 2x-13

or 2x+2x=13

or 4x=13

or X= 13/4

or X =3.25

4y=4y+9-9

or 4y=4y+0

or 4y-4y=0

or 0=0

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4 years ago
Q26. Division A has 15 students and division B has 20 students. Average score of students in division A is greater by 2 as compa
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Step-by-step explanation:

Let a be the total score of Div. A

Let b be the total score of Div. B

given,

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Now multiply equation 2 by 1/20 to eliminate b to solve for a.

( - a)( \frac{1}{20} ) + (b)( \frac{1}{20} )  = ( \frac{1}{20} )(160) \\  -  \frac{a}{20}  +  \frac{b}{20}  = 8

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3 years ago
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