Question

13X-23-45=-7X+12 me ajudem gente

Answer 1

13 x -23-45 = -7x +12
13x +7x = 12 +23+45
20x = 80
x = 4

resposta x = 4

bons estudos!

Answer 2

13x -23 -45 = -7x +12 
13x + 7x =12 +23 +45
20x=80
x= 80/20
x=4