Question

13x -23 - 45 = -7x +12

Answer 1

Resposta:

X= 4

Explicação passo-a-passo:

13x - 68 = -7x +12

13x +7x = 12+68

20x = 80

x= 4

Answer 2

13x - 23 - 45 = - 7x + 12

13x + 7x = + 12 + 45 + 23

20x = 80

x = $\frac{80}{20}$  

x = 4