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Chapter 7: Q13. (page 247)

Find the value of x.

x+54=12

Short Answer

Expert verified

The value of x is 鈭�3.

Step by step solution

01

Step 1. Given information.

The ratio here given is,

x+54=12

02

Step 2. Concept and Formula Used.

The properties of proportion,

ifab=cd thenad=bc,

The given ratio is,x+54=12

03

Step 3. Use the property of proportion, if ab=cd then, ad=bc.

Then,

2(x+5)=1(4)2x+10=4(Usingdistributiveproperty)2x=4鈭�102x=鈭�6

04

Step 4. Divide both sides by 2.

2x2=鈭�62x=鈭�3

Therefore, the value of x is鈭�3 .

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Most popular questions from this chapter

Three numbers aren鈥檛 known, but the ratio of the numbers is1:2:5 . Is it possible that the numbers are1,2, and5.10,20, and50?3,6, and20? x,2x,and5x?

Find the value of x.

x4=35

Write the algebraic ratio in simplest form.

3(x+4)a(x+4)

What is the second term of the proportionab=xy?

Find the value of x.

25=3x7
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