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

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!
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