Answer:
x=-5
Explanation:
0 + 3x = 0 + -15
3x = 0 + -15
3x=-15
Then, x=-5.
11x+7
This is because, in order to simplify, first you need to distribute the 2 into the x+5. So, you get 2x+10. Then you get 9x-3+2x+10. The 9x and 2x combine to get 11x. The -3+10 combine to get 7. So you have 11x+7.
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