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kondaur [170]
3 years ago
8

X - 7 = 5x - 21

Mathematics
2 answers:
balandron [24]3 years ago
5 0
The answer is 7/2 but in decimal form that would be 3.5
I got that by simplifying both sides of your equation and from there I just isolated the variable.
kobusy [5.1K]3 years ago
4 0
I agree with the first person answer too and it’s true what he said
You might be interested in
One number is 9 times a first number. a third number is 100 more than the first number. if the sum of the three numbers is 727​,
Zielflug [23.3K]
First number: 57
Second number: 513
Third number: 157

8 0
3 years ago
PLEASE HELPP ...its due today! :)
finlep [7]

Answer:

|-8| < |7| is FALSE

Step-by-step explanation:

The absolute value of -8 is 8, which is greater than 7, not less than.

7 0
3 years ago
Read 2 more answers
Please give me answers
Nikolay [14]
For number 9. its 34 × 65 = 65 × 34.. So that means its communicative property
6 0
4 years ago
What is the solution to the equation?
adelina 88 [10]
B.
X=5

7(5+9)=7•x+7•9
(7•5)+(7•9)=7x+63
35+63=7x+63

Subtract 63 from both sides and you will be left with
35=7x
Divide each side by 7 (you pretty much just divide 35 by 7)

And x=5
7 0
4 years ago
Read 2 more answers
HELP I NEED HELP ASAP
Ilya [14]
Substitute -x-5 for y
Gets you:
3x-2(-x-5)
Distribute the 2
3x-(-2x-10)
Distribute the -1
3x+2x+10
Combine like terms
5x+10
Subtract 10 from both sides
5x=-10
Divide by 5
x = -2
4 0
3 years ago
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