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Marysya12 [62]
3 years ago
8

Need help plese it's easy just im stuck

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
5 0
CROSS MULTIPLICATION my friend
Sorry accidentally pressed answer instead of space down
Cross multiplication is multiplying across the = sign by the denominator and numerator. For example, 10/5=3/x
So we multiply across the = sign, giving us that 10x=15
It is much easier to solve from there; divide by 10 on both sides and x=1.5

3/x=4/20
Same principle applies:
60=4x
÷ by 4 (the coefficient of x)
x=15

2/x=6/10
20=6x
x=20/6 - - > 10/3

8/x=4/11
88=4x
x=22

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