Answer:
[tex]x=21[/tex]
Step-by-step explanation:
-------------------->>>>
[tex]7x+6=9x-36[/tex]
Subtract [tex]7x[/tex] from both sides.
[tex]6=2x-36[/tex]
Add [tex]36[/tex] to both sides.
[tex]42=2x[/tex]
Divide both sides by [tex]2[/tex].
[tex]21=x[/tex]
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Hope this is helpful.