Respuesta :

4x + 7 = 35
X = 7

4 + x + 2 - 2x = 5
X = 1

9 - x/5 = 3
X = 30

50 = 7x - 6
X = 8

6 = 1/3x + 5
X = 3

2(3x + 5) = 22
X = (technically 2 if using distributive property, but if not then 5)