Question 50093
(x+1)/3+(x+2)/7 = 5 

Multiply thru by 21 to get:
7(x+1) + 3(x+2) = 105
7x+7+3x+6 = 105
10x+13=105
10x = 92
x=46/5= 9.2

Cheers,
Stan H.