Question

(b) Solve : 3 (x + 1) = 12 +4 (x - 1)​

Answer 1

$3(x + 1) = 12 + 4(x - 1)$

$3x + 3 = 12 +( 4x - 4)$

$6x = 12 x$

$x - x = 12 - 6$

$6 \: is \: ur \: answer$

Answer 2

Answer:

$3(x + 1) = 12 + 4(x - 1) \\ 3x + 3 = 12 + 4x - 4 \\ 3x - 4x = 12 - 4 - 3 \\ - x = 5 \\ x = - 5$

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