Respuesta :

You would minus the 3y and the y which yopu would get 3 then you would dived 3 into 3 which you get 1
i)

3y = y + 3
2y = 3
y = 3/2
or
y = 1.5

ii)

4z + 2 = 10z -1

iii)

4z + 2 = 10z -1
10z - 4z = 2 +1
6z = 3
z = 1/2
or 
z = 0.5

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