x este egal cu -1
[tex]\frac{7x-5}{6}[/tex] + 4 = -2x
6 × ( [tex]\frac{7x-5}{6}[/tex] + 4) = 6 × (-2x)
7x - 5 + 24 = -12x
7x + 12x - 5 + 24 = -12x + 12x
19x - 5 + 24 = 0
19x - 5 = 0 - 24
19x - 5 = -24
19x = -24 + 5
19x = -19
x = -19 : 19
x = -1