Question

{3 x [y+(3² - 4) - 2]} / 3 = 8 o valor de y é:

Answer 1

{3•[y+(3²-4)-2]}/3 = 8•3/1•3
{3•[y+(9-4)-2]}= 24
{3•[y+5-2]}=24
{3•[y+3]}=24
3y+9=24
3y=24-9
3y=15
y=15/3
y=5