Posted by chris on .
solve and check results 3x + 7(x2)13=123x

math 
Suchindram,
3x + 7(x2)13 = 12 3x
= 3x +7x1413 = 123x
10x27=123x
13x27=12
13x=39
x=3
Check:
3(3)+7(32)13 = 123(3)
9+713=129
3=3
Correct....
Hope this helps!