Question

RESOLVA A EQUAÇÃO 3(3-M)+M=7

Answer 1

Ola!!

3(3—m)+m=7

9—3m+m=7

—4m+9=7

—4m+9—7=0

—4m=—9+7

—4m=—2

m = 2/4

m = 1/2

Dúvidas?? Comente!!