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3 Answers

0 votes
3=7x+11

-7=7x

-1=x
by (2.2k points)  
0 votes
-3=(12-5)x+11

-14=7x

x=-2
by (2.8k points)  
0 votes
-12x+5x-3+3=12x-12x+11+3

(7)-7x=14(7)

(-1)-x=2(-1)

x=-2
by (520 points)  



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