Question

C)2×+14=5×-1
D)5×+4-2×=26-3×

Answer 1

Olá,

Vamos lá,

C)2×+14=5×-1
2x - 5x = - 1 - 14
-3x= -15    * (-1)
3x = 15
x = 15/3
x = 5

D)5×+4-2×=26-3×
5x -2x + 3x = 26 - 4
6x = 22
x = 22/6
x = 3,6667