Question

h)9x+9+3x=15

i)16x-1=12x+3

j) 3x-2=4x+9​

Answer 1

Resposta:

h) 9x + 3x = 15 - 9

12x = 6

x = 6 = 0,5

12

I) 16x - 12x = 3 + 1

4x = 4

x = 4 = 1

4

J) 3x - 4x = 9 + 2

-1x = 11 . (-1)

x = -11

1

x = -11