Question

solve 2x -3 =7
solve y +3 =10
solve 3x =27
in steps pls

Answer 1

2x - 3 = 7

2x = 7 + 3

2x = 10

x = 10/2

x = 5

y + 3 = 10

y = 10 - 3

y = 7

3x = 27

x = 27/3

x = 9