Question

Me ajudem a Responder essa Atividade:
a) 5×=200

b) 3×+30=150

c) 5C×+(10)=200

d) 4. (×+2)=2(×+2)

Answer 1

A)5x=200
x=200/5
x=40

B)3x+30=150
3x=150-30
3x=120
x=120/3
x=40