Question

solve the equation 2x + 1 = x - 3 and represent the solution on the number line

Answer 1

2x + 1 = x- 3
2x-x=-3-1
x=-4
then draw it no. Line

Answer 2

the answer is as follows :-
2x + 1 = x - 3
2x - x = -3 - 1
x = -4