Question

The sum of half of a number and 7 is 9/4 of the number

Answer 1

Answer:

take the number as 'n'

according to the question--

Step-by-step explanation:

1/2n + 7/1 = 9/4n

1/2n - 9/4n +7/1 =0

2/4n - 9/4n + 7/1 = 0

-7/4n +7 =0

-7/4n = -7

n = -7 × 4/-7

n = 4

you can check also..

1/2×4 + 7 = 9/4 × 4

2 +7 = 9

9=9

hope it helps you..

Answer 2

the following is the step by step answer

Step-by-step explanation:

[tex]\frac{x}{2} +7 =\frac{9}{4} \\ \frac{x}{2} =\frac{9}{4} -7\\ \frac{x}{2} =\frac{9-(4*7)}{4} \\ \frac{x}{2} =\frac{-19}{4} \\ x=\frac{-19}{2} [/tex]