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Jlenok [28]
3 years ago
11

Two friends, Selma and Khalid are revising algebra. Khalid says: 'I am thinking of a number. If you multiply it by 3 and subtrac

t 6, you get the same answer as adding the number to 7'. Call Khalid's number y and form an equation
Mathematics
1 answer:
kogti [31]3 years ago
5 0

Answer:

Equation: 3y - 6 = y + 7

y = 6.5

Step-by-step explanation:

Step 1: Write out equation

3y - 6 = y + 7

Step 2: Solve for <em>y</em>

2y - 6 = 7

2y = 13

y = 13/2 or 6.5

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lara31 [8.8K]

Answer:

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3 years ago
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A trip to the museum costs $44 per person. This price includes a $7 planetarium ticket and the entrance fees for both the art an
Anettt [7]

<u>Answer:</u>

<h2><em>$18.5</em></h2>

<em></em>

<u>Step-by-step explanation:</u>

44-7=37  (we don't need the price of the planetarium ticket, so subtract 7)

37÷2=18.5   (since the entree fees are equal, divide 37 by 2)

<em />

<em>However, I might be wrong. </em>

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2 years ago
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3 years ago
1/2 of 30 = 1/4 of ??
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