Question

3(5×-30)=2×+100 me ajudem ☺​

Answer 1

Olá

$\LARGE{}3(5x - 30) = 2x + 100 \\ \LARGE{}15x - 90 = 2x + 100 \\ \LARGE{}15x - 90 - 2x = 100 \\ \LARGE{}15x - 2x = 100 + 90 \\ \LARGE{}13x = 100 + 90 \\ \LARGE{}13x + 190 \\ \LARGE{} \\ \\ \LARGE\boxed{x = \frac{190}{13} }$

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