Question

Calcule o valor de x nas equaçoes 2x+14=4x-6

Answer 1

4x-2x=14+6  >> 2x=20  >> x=20/2  >> x=10

Answer 2

2x+14=4x-6
2x=4x-6-14
2x-4x=-6-14
-2x=-20      (-1)
2x=20
x=20/2
x=10