Question

(xiii) 7x - 9 = 16 how to do this simple equation I am 8th class tell in simple way
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Answer 1

Answer:

$3.128$

Step-by-step explanation:

Mark it as brainliest

Answer 2

Question:-

Find the value of x:-

7x - 9 = 16

Answer:-

• The value of x is 3.57

To find:-

• Value of x

Solution:-

$\large{ \rm : \implies \: \: \: \: \: \: \: \: \: \: 7x - 9 = 16}$

$\large{ \rm : \implies \: \: \: \: \: \: \: \: \: \: 7x = 16 + 9}$

$\large{ \rm : \implies \: \: \: \: \: \: \: \: \: \: 7x = 25}$

$\large{ \rm : \implies \: \: \: \: \: \: \: \: \: \: x = \frac{25}{7} }$

$\large{ \rm : \implies \: \: \: \: \: \: \: \: \: \: x = 3.57}$

• The value of x is 3.57

Verification:-

$\large{ \rm : \implies \: \: \: \: \: \: \: \: \: \: 7(3.57) - 9 = 16}$

$\large{ \rm : \implies \: \: \: \: \: \: \: \: \: \: 25 - 9 = 16}$

$\large{ \rm : \implies \: \: \: \: \: \: \: \: \: \: 16 = 16}$

HENCE VERIFIED!!