3 years ago

Six times a number is equal to 10 less than the sum of the number and 3. What is the number?

Mathematics

1 answer:

saul85 [17]3 years ago

5 0

Answer:

n = -7/5

Step-by-step explanation:

Let n = number

6n = (n+3) -10

Combine like terms

6n= n-7

Subtract n from each side

6n-n=n-n-7

5n = -7

Divide by 5 on each side

5n/5 = -7/5

n = -7/5

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Step-by-step explanation:

l can prove like this,

Here,2x°+(103-x)°=(6x-7)°...Being exterior angle

or,2x°+103°-x°=6x°-7°

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or,103°+7°=6x°-7°

or,5x°=110°

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Now,

x°=22°

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