Question

3) Resolva as equações, sendo U = R:
а) 3(2x – 1) = 2(x + 1) + 3
Б) 3x/4 = 2 + 2x/3
c) 7x - 1= 13
d) бх - 10 = 2х + 14
pfvr me ajudem​

Answer 1

а) 3(2x – 1) = 2(x + 1) + 3

6x - 3 = 2x + 2 +3

6x - 2x = 2 + 3 + 3

4x = 8

x = 2

b) 3x/4 = 2 + 2x/3

9x = 24 + 8x/12

9x - 8x = 24

x = 24

c) 7x - 1= 13

7x = 13 + 1

7x = 14

x = 2

d) бх - 10 = 2х + 14

6x - 2x = 14 + 10

4x = 24

x = 6