Question

7×-7=28 me diga a resposta montada

Answer 1

$> resolucao \\ \\ \geqslant equacao \: do \: 1 \: grau \\ \\ 7x - 7 = 28 \\ \\ 7x = 28 + 7 \\ \\ 7x = 35 \\ \\ x = \frac{35}{7} \\ \\ x = 5 \\ \\ > > < > < > < > >$