2.(9×-4)-7+(6-5×)=18
18x-8-7+6-5x=18
18x-9-5x=18
18x-5x=18+9
13x=27
x=27/13
x≈2,077
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
2.(9×-4)-7+(6-5×)=18
18x-8-7+6-5x=18
18x-9-5x=18
18x-5x=18+9
13x=27
x=27/13
x≈2,077
Explicação passo a passo:
2.(9x-4)-7+(6-5x)=18
18x-8-7+6-5x=18
18x-5x=18+8+7-6
13x=33-6
13x=27
X=27/13