1.

318. 3x+221 7x+5

Answer»

6x=3x+23x=2x=2/3

7x+5=35x28x=5x=5/28

3x/3x+2=1/26x=3x+23x=2x=2/3

7x+5/5=7x7x+5=35x5=28xx=28/5



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