Question

resolva a equacao:
13x -23 - 45= -7+12

Answer 1

Bem, vamos lá!

13X - 23 - 45 = -7 + 12

13X -68 = 5

13X = 5 + 68

13X = 73

X = 73/13

Answer 2

$13x -23 - 45= -7+12\to \\\\ 13x=-7+12+23+45\to \\\\ 13x=-7+80\to \\\\ 13x=73\to \\\\ x= \frac{73}{13} \\\\ x=5,6153846...$