Question

7*3+Х+12=83 обясните кому не трудно

Answer 1

$7 \times 3 + x + 12 = 83 \\ 21 + 12 + x = 83 \\ 33 + x = 83 \\ x = 50$

Answer 2

7*3 + x + 12=83;

21 + x + 12 = 83;

33+x = 83;

x = 83 - 33;

x = 50.