Question

calcular x
15
30
56
60
70​

Answer 1

Explicación paso a paso:

$5 \alpha + 4 \alpha = 126$

$9 \alpha = 126$

$\alpha = \frac{126}{9}$

$\alpha = 14$

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$2 \alpha + 2 \alpha = x$

$4 \alpha = x$

$4(14) = x$

$x = 56$