Question

How to solve: 2y+21=3y+1

Answer 1

y=20

Explanation:

2y+21 = 3y+1

Subtract 2y from both sides,

21 = 3y-2y +1

Subtract 1 from both sides,

y = 20

Answer 2

y = 20

Explanation:

2y + 21 = 3y + 1,

21 = y + 1,

20 = y