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Mathematics
Damon Sawyer
7 October, 05:05
How to solve
3+5x=20+7x
+1
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Daniella
7 October, 06:35
0
3 + 5x = 20 + 7x
First subtract 20 to both sides
-17 + 5x = 7x
Next subtract 5x to both sides (we are trying to get x all in one side)
-17 = 2x
Divide 2 to isolate the x
-17/2 = x or - 8.5 = x
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Dangelo Obrien
7 October, 06:39
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First, you would combine like terms so you would - 5x from both sides and you should end up with 3=20+2x and then you would - 20 from both sides which would lead you with - 17 = 2x and then you divide both sides by 2 and the answer should be ...
8.5=x
tell me if i'm right! i am only in 7th grade
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