Question

x+4=2x+3

Answer 1

x+4=2x+3

x + 4 - 3 = 2x + 3 - 3
x + 1 = 2x
x - x + 1 = 2x - x
1 = x

Answer 2

or

x+4=2x+3

4-3=2x-x
1=x