Question

Ecuaciones

A)- ( 3 x Y + 4 ) =27
B)- Y : 3 + 47 = 4 x 12

Answer 1

A.

(3 x Y +4)=27

(3 x Y)= 27 - 4

(3 x Y)= 23

(Y)= 23 ÷ 3

Y = 7,6

B.

Y:3 + 47= 4×12

Y:3 +47= 48

Y:3= 48 - 47

Y:3= 1

Y= 1 ×3

Y= 3