Question

Metoda mersului invers[12+3·(2x+1)]=24

Answer 1

Salut !

$[12 + 3 \times (2x + 1)] = 24$

$3 \times (2x + 1) = 24 - 12$

$3 \times (2x + 1) = 12$

$2x + 1 = 12:3$

$2x + 1 = 4$

$2x = 4 - 1$

$2x = 3$

$= > x = \frac{3}{2}$

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