Question

Solve: 3(x−1)=12 

x = 4

x = 5

x = 7

x = 9​

Answer 1

Step-by-step explanation:

x = 5

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Answer 2

Given equation:

3(x-1) = 12

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Solution:

3(x-1) = 12

3x-3 = 12

3x = 12+3

3x = 15

$x = \dfrac{15}{3}$

$\boxed {\sf {\green {x=5}}}$

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Verification:

On substituting the value of x as 5 in the equation,

3(x-1) = 12

3(5-1) = 12

3×4 = 12

12 = 12

LHS = RHS

Hence Verified!

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Final answer:

$\sf \blue {The\ value\ of\ x\ is\ 5.}$