Question

quanto q é



30 - 20 + 2x =10

Answer 1

30-20+2x=10

2x=10-30+20

2x=40

x=40%2

x= -20 (resposta)

Answer 2

30-20+2x=10

30-20-10=2x

2x=0

30-20+(2.0)

=10+0

=10