Question

resolva as equações do primeiro grau
a)5×=-20
b)48×=122

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Answer 1

Resposta:

a) 5x = –20

x = –20/5

x = –4

b) 48x = 122

x = 122/48

Answer 2

Resposta:

$a)5x=-20$

$x=-\frac{20}{5}$

$x=-4$

$b)48x=122$

$x=\frac{122}{48}$

$x=\frac{61}{24}$