Question

a) xy + 4x=
b) -3k + 6d=
c) -1 + 2x=
d) 1,5ax=
e) -57=. me ajudem pfv ​

Answer 1

Resposta:

a) xy+4x= x(y+4)

c) -1+2x

2x=1

x=1/4

e) -57=-5,7×10^1