Question

Qual resultado da conta 2x+5x+20=9800

Answer 1

2x + 5x = 20 = 9.800
7x = 9.800 - 20
7x = 9.780
x = 9.780 / 7

Resposta : x = 9.780/7

Answer 2

7x = 9780
x= 1397, 142857...