CBSE Class 11-science Answered
9x+2 = 240 + 9x solve for x
Asked by anujguptaaj11 | 11 Aug, 2018, 16:02: PM
![begin mathsize 16px style 9 to the power of straight x plus 2 end exponent space equals space 240 space plus space 9 to the power of straight x
rightwards double arrow 9 to the power of straight x. space 9 squared space minus space 9 to the power of straight x space equals space 240
rightwards double arrow 9 to the power of straight x left parenthesis space 81 space minus space 1 right parenthesis space equals space 240
rightwards double arrow 9 to the power of straight x left parenthesis 80 right parenthesis space equals space 240
rightwards double arrow 9 to the power of straight x space equals space 240 over 80 space equals space 3
rightwards double arrow space 9 to the power of straight x space equals space 3
rightwards double arrow left parenthesis 3 squared right parenthesis to the power of straight x space equals space 3 to the power of 1
rightwards double arrow 2 straight x space equals space 1
rightwards double arrow straight x space equals space 1 half end style](https://images.topperlearning.com/topper/tinymce/cache/cd729400f9d63bc5bbcf7dfb7d82fac9.png)
Answered by Yasmeen Khan | 13 Aug, 2018, 11:54: AM
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