Question 43934
Three consecutive numbers: x-1, x and x+1

3 times the first is 4 more than 2 times the second:

{{{3(x-1) = 2x + 4}}}
{{{3x-3 = 2x+4}}}
{{{3x = 2x + 4 + 3}}}
{{{3x-2x = 7}}}
{{{x = 7}}}