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42 votes
42 votes
What is the value of x

Could someone help me out here and show the work for this question? Thank and this is much appreciated

What is the value of x Could someone help me out here and show the work for this question-example-1
User DyreVaa
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2 Answers

21 votes
21 votes
X=7

30 =25+ 1/5 of 25
4x-4 =20+1/5 of 20 (=24)
4x-4=24
4x=28
X=7
24/20= 1.2
30/25= 1.2

User Turque
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2.7k points
4 votes
4 votes

Answer:


\boxed{\boxed{\bf x = 7}}

Explanation:


\sf \cfrac{4x - 4}{20} = \cfrac{30}{25}


\sf 4x - 4 = \cfrac{(20)(30)}{25}


\sf 4x - 4 = \cfrac{600}{25}


\sf 4x - 4 = 24


\sf 4x = 24 + 4


\sf \cfrac{4x}{4} = \cfrac{28}{4}


\sf x = 7

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User Bjimba
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2.4k points