Question

resolvendo 13 x -23 = 45 = 7x + 12 o valor de X na equação é​

Answer 1

13x-23=45=7x+12

13x-7x=12-45+23

6x= -10

x= -10/6

Answer 2

Vamos lá!

$\tt \: 13x - 23 + 45 = 7x + 12 \\ \tt \: 13x - 7x = 12 + 23 - 45 \\ \tt \: 6x = - 10$

$\tt \: x = \frac{ - 10}{6}$

Simplificando:

$\tt \: \frac{ - 10}{6} \div 2 = \frac{ - 5}{3}$

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