Question

Resolva as equações:
A-) 2/3 X + 5/4 X - 12 = 15

B-) 2.(x+3)/5 + X/2 = 20 - X/3

C-) 5.(2x-3)/2 - 2(x+5)/4= 4.(x-2)/3 - 10

D-) X/2 + X/5 + 3x/4 - 10 = 2.(X+1)/3 + 3/5 - 2x/4

E-) x+10/5 - x+3/2 = x/5 + x/3 - x/2 + 6/4 - 10

(Desculpe se ficou confuso, quero só a resposta para confirmar meus cálculos)

Answer 1

Respostas

a) 2/3x +5/4x-12= 15

8x +15x -144=15*12

23x= 15*12+144

23x= 180+144

x= 324/23

b) 12(x+3)+15x= 600-10x

12x+36+15x=600-10x

22x+15x= 600-36

37x= 564

x= 564/37

c) 30(2x-3)-6(x+5)= 16(x-2)-120

60x-90-6x-30= 16x +32-120

54x-16x=-120+120+32

38x= 32

x= 32/38= 16/19