Question

решите уравнение 2(х+1)=3(х-1)

Answer 1

2(x + 1) = 3(x - 1)

2x + 2 = 3x - 3

2 + 3 = 3x - 2x

x = 5.

Answer 2

$2(x + 1) = 3(x - 1) \ 2x + 2 = 3x - 3 \ 2x - 3x = - 3 - 2 \ - 1x = - 5 \ x = - 5 div ( - 1) \ x = 5$
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