Question

qual a raiz dessa equação 15×-30=3-1-2

Answer 1

15x=3-1-2+30
15x=33-3
15x=30
x=30/15

x=2

Answer 2

15x -30=3 -1 -2
15x - 30 =  3 - 3
15x - 30 = 0
15x = 30
x = 30 ÷ 15
x = 2

Resposta: x = 2