Question

Find the value of x : 3 (2x-7) =15

Answer 1

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Explanation:

Given:

3(2x-7)=15

To Find :

value of 'x'

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$3(2x - 7) = 15$

$= > 6x - 21 = 15$

$= > 6x = 15 + 21$

$= > 6x = 36$

$= > x = \frac{36}{6} = 6$

$\huge\bold{\boxed{\purple{x = 6}}}$

$\huge\bold{Check:}$

$= > 3(2x - 7)$

$= > 3(2 \times 6 - 7)$

$= > 3(12 - 7)$

$= > 3 \times 15 = 15$

therefore,L.H.S=R.H.S

Answer 2

Answer:

3(2x-7 )= 15

(2x-7)=15/3

2x-7=5

2x= 5+7

2x=12

x=12/2

x=6