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denis-greek [22]
2 years ago
15

Use cross multiplication to solve the equation

Mathematics
1 answer:
Charra [1.4K]2 years ago
4 0

Answer:

wheres the equation??

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Complete the steps to solve the equation. 9 – 4x = 2x 1. Addition property of equality: 9 = 6x 2. Division property of equality:
exis [7]

x = 3/2

Step-by-step explanation:

Given equation is:

9 - 4x = 2x

As we have to solve for x, x will be isolated on one side of the equation

So,

<u>1. Addition property of equality </u>

4x will be added on both sides

9-4x+4x=2x+4x\\9 = 6x

<u>2. Division property of Equality</u>

Dividing both sides by 6

\frac{6x}{6}=\frac{9}{6}\\x = \frac{3}{2}

Hence,

x = 3/2

Keywords: Linear equation, Variables

Learn more about linear equations at:

  • brainly.com/question/2150928
  • brainly.com/question/2154850

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4 0
3 years ago
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Diego is thinking of two positive numbers. He says, 'If we triple the first number and double the second number, the sum is 34.'
UNO [17]

1st number: 0

2nd number: 17

Answer

Step-by-step explanation:

3x+2y=34 x is the first number, y is the second.

1/2x+2y=34 multiply each number by two to get rid of the integer by the variable x.

x+4y=68 solve for x.

x=68-4y add this into the first equation to solve for variable y.

3(68-4y)+2y=34 solve for y.

204-10y=34

-10y= -170

y=17

now to solve for x

x= 68-4(17)

x= 0

8 0
3 years ago
Sadie finished her math test in sixteen minutes less than three times the amount of times it took her friend Laura to finish.if
amid [387]

Answer:

Sadie took 47 minutes to finish her test.

Step-by-step explanation:

Let Laura's time be x minutes.

Then we have:

x + 3x - 16 = 68

4x = 84

x = 21 minutes.

So Sadie took 3(21) - 16 = 63-16

= 47 minutes.

3 0
3 years ago
Find all the missing angles:
siniylev [52]

Step-by-step explanation:

this is the answer in the picture

6 0
3 years ago
I NEED HELP ASAP
aalyn [17]

AnsS

Step-by-step explanation:

Is The C

4 0
3 years ago
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