Although I am not clear on your process, your answer is right.
9 (2x-18)=36
I would have initially divided both sides by 9, then by 2.
2x - 18 = 4
x - 9 = 2
X = 11
I hope this helps. Thanks for asking.
Please check my answer thanks :)
Find the equation of 9 (2x-18)=36
9(2x)-9 (18) =36
18-162 =36
18-162 =36
18x162 =36
+162 +162
-------------------------
18x =198
18x 198
-----------
18 =18
x =11
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