Question

Resolver las siguientes ecuaciones a)7×-3=5×+31
b)-4×+1=65

Answer 1

7x - 3 = 5x + 31
7x - 5x = 31 + 3
2x = 34
x = 34/2
x = 17



- 4x + 1 = 65
- 4x = 65 - 1
- 4x = 64
x = 64/-4
x = - 16