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nlexa [21]
3 years ago
5

Last one for today :) find the value of x pwease

Mathematics
1 answer:
pav-90 [236]3 years ago
5 0
X = 23

If you need an explanation please comment! ^^
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1. 3x + 6y = 3 and 7x + 3y = 7<br>ons for bo​
sweet-ann [11.9K]

Answer:

(1,0)

Step-by-step explanation:

3x + 6y = 3

7x + 3y = 7

Multiply the second equation by -2

-2( 7x + 3y = 7)

-14x -6y = -14

Add this to the first equation to eliminate y

3x + 6y = 3

-14x -6y = -14

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-11 x = -11

Divide by -11

x = 1

Now find y

3x + 6y = 3

3 +6y = 3

Subtract 3 from each side

6y = 0

y =0

3 0
3 years ago
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IM PUTTING THIS FOR 30 POINTS PLEASE ANSWER
salantis [7]

Answer:

2(Jill) - 20 + (Jill) = 205

3(Jill) = 225

(Jill) = 75

(Jack) = 2(75) - 20 => 150 - 20 = 130

Jill= 75

Jack= 130

Step-by-step explanation:

6 0
3 years ago
Simplify by combining like terms: 9x - 3y -5x + 2y -x + 2
UNO [17]

Answer:

3x-y=-2

Step-by-step explanation:

9x-5x-x-3y+2y=-2

3x-y=-2

7 0
3 years ago
The table shows the ratio of people who ate a certain type of lunch to the total number of people who ate lunch. A total of 840
Elza [17]

The sum of the individual lunch ate by people is equal to the total number of people who ate lunch.

<h3>What is an equation?</h3>

An equationi is an expression that shows the relationship between two or more variables and number.

Given that the total number of people who ate lunch is 840, hence:

The sum of the individual lunch ate by people is equal to the total number of people who ate lunch.

Find out more on equation at: brainly.com/question/2972832

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2 years ago
What is the lowest common multiple of 120 160 180
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20 it the least common multiple of the numbers given
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3 years ago
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