how do i solve 4x-9=39

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636

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PLEASE HELP I HAVE A TEST TMRW AND I DONT UNDERSTAND

THANKS

Guest Nov 20, 2015

CPhill · Answer 1 · 2015-11-20T01:13:34

The idea here is just to end up with "x" on one side....so.....

4x-9=39 add 9 to both sides

4x = 48 divide both sides by 4

x = 12