2 years ago

Seven times the sum of a number and 4 equals 8.

Mathematics

2 answers:

Ksju [112]2 years ago

6 0

Answer:

7*(n+4) =8

Step-by-step explanation:

seven times the sum

7*(

of an number and 4

7*( n+4)

equal 8

7*(n+4) =8

MissTica2 years ago

5 0

Answer: -20/7

Step-by-step explanation:

Seven times the sum of a number and 4 equals 8

Let the number be k

Sum of a number and 4

I.e

K+4.......(1)

Seven times the sum gives

7(k+4)=8

Open the bracket

7k+28=8

7k=8-28

7k= -20

K= -20/7

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