2 answers:
What you need to do is cancel everything to the left of the equal sign. Solve that problem.. The answer to that is 0. So what, plus 4 equals 0? -4
7x-5x-3=x+4
+3 +3
7x-5=x+7
2x =x+7
-x -x
x=7
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37.5
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16/46 = 20/(20+x)
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Hello!
The most logical equation would be b)
Hope it helps, have a nice day!
