Pourriez vous m’aider svp?

Bonsoir,

1)
4 (x - 5) = 4x - 20

6 (- x + 2) = - 6x + 12

2)
4 (x - 5) = 6 (- x + 2)
4x - 20 = - 6x + 12
4x + 6x = 12 + 20
10x = 32
x = 32/10
x = 3,2