Question 666538
Starting with 
4x + 8 = 3x + 17
...
Isolate x
4x - 3x = 17 - 8
{{{highlight_green(x = 9)}}}
...
Check {{{cartoon(
4(9) + 8 = 3(9) + 17,
36 + 8 = 27 + 17,
42 = 42)}}}
.....................
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