Question

AYUDEN PORFA si pueden pngan procedimiento

Answer 1

PROBLEMA 1 (Romboide)

$4x = x + 21 \\ 4x - x = 21 \\ 3x = 21 \\ x = \frac{21}{3} \\ x = 7$

PROBLEMA 2 (Rombo)

$3x - 2 = x + 14 \\ 3x - x = 14 + 2 \\ 2x = 16 \\ x = \frac{16}{2} \\ x = 8$

PROBLEMA 3 (Rectángulo)

$a = 12 \\ 2x = 3a \\ 2x = 3 \times 12 \\ 2x = 36 \\ x = \frac{36}{2} \\ x = 18$