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vova2212 [387]
3 years ago
13

One less than 8 times a number is the same as the number plus 13

Mathematics
2 answers:
8_murik_8 [283]3 years ago
6 0

Answer:

the number is X=2

Step-by-step explanation:

<em>Suppose number is X</em>

8X-1 =X+13

8X-X= 13+1

7X=14

X=2

Neko [114]3 years ago
3 0

Answer:

8n-1= 13+n is the equation, n=2 is the answer for the variable.

Step-by-step explanation:

8n-1= 13+n

Move the variable to one side.

8n-1= 13+n

-1n         -1n

7n-1= 13

Now, add to both sides, since that is the opposite of subtracting.

7n-1= 13

   +1  +1

Then, divide to both sides by 7 to leave the variable by itself.

<u>7n</u>= <u>14</u>

7     7

n= 2

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