Question

monte e resolva a equação
a- Y-6=12
b- 5Y=3y+8
c- 3Y=15

Answer 1

a) y-6=12
y=12+6
y=18

b) 5y=3y+8
5y-3y=8
2y=8
y=8/2
y=4

c) 3y=15
y=15/3
y=2

Answer 2

+ y -6 =12
y=12+6
y = 18y
y = 18y


5y = 3y +8 
5y -3y=+8
+2y = + 8
y = +8y : 2 
y = +4y

3y = 15
y = 15 : 3
+¨5y