2 years ago

4x-5=3 what is the answer for this question

2 answers:

8 0

X=2

if you need to show work:
combine like terms (add the 5 on both sides), then you get 4x=8, divide by 4 on both sides and get x=2

ahrayia [7]2 years ago

6 0

Answer:

x=2

Step-by-step explanation:

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the sum of two numbers is 9. if one number is subtracted from the other, the result is 3. find the numbers

irakobra [83]

X, y - the numbers

The sum of the two numbers is 9.
$x+y=9$

If one number is subtracted from the other, the result is 3.
$x-y=3$

Solve the system of equations:
$x+y=9 \\
\underline{x-y=3} \\
x+x=9+3 \\
2x=12 \ \ \ |\div 2 \\
x=6 \\ \\
x+y=9 \\
6+y=9 \ \ \ |-6 \\
y=3$

The numbers are 6 and 3.

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3 years ago

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

If x,y and z are positive integers and 3x=4y=7z,

Pani-rosa [81]

3x=4y=7z
so
GCF:
3 * 4 * 7 = 84

3x = 84
x = 28

4y = 84
y = 21

7z = 84
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least possible value for
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answer
(d) 61

5 0

3 years ago