Question

 Resolvam essa equação pra mim 5x+2=2x-1

Answer 1

5x+2=2x-1
5x-2x=-1-2
3x=-3
x=-3/3
x=-1

Answer 2

5x+2=2x-1

5x-2x=-1-2

3x=-3

x=-3÷3

x=-1

S={-1}