Question

eu quero o calculo de 2X+3=15

Answer 1

$2x+3=15 \\ 2x=15-3 \\ 2x=12 \\ x=12/2 \\ x=6$

Answer 2

2x+3=15
2x=15-3
2x=12
x=$\frac{12}{2}$
x=6