Question

0,5x+1,4×+2,8×-2×
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Answer 1

Explicação passo-a-passo:

0,5x+1,4×+2,8×-2×

$\frac{5}{10} x + \frac{14}{10} x + \frac{28}{10} x - 2x = > \\ \\ \frac{1}{2} x + \frac{14}{11} x + \frac{14}{5} x - 2x = > \\ \\ \frac{283}{110} x$