Question

j) 2x = 36 - X
k) 3x + x = 56 oque vcs acham​

Answer 1

j) 2x = 36 - x

2x + x = 36

3x = 36

x = 36/3

x = 12

k) 3x + x = 56

4x = 56

x = 56/4

x = 14