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Samuel Blevins
Mathematics
10 November, 16:30
Ayuda porfa
3x + 20 = 8x+60
+2
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2
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Sawyer Thomas
10 November, 16:40
0
3x + 20 = 8x + 60
-5x + 20 = 60
-5x = 40
x = - 8
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Danielle Travis
10 November, 16:45
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3x + 20 = 8x+60
Move 8x to the other side
Sign changes from + 8x to - 8x
3x-8x+20 = 8x-8x+60
3x-8x+20 = 60
-5x+20 = 60
Move 20 to the other side
Sign changes from + 20 to - 20
-5x+20-20 = 60-20
-5x = 60-20
-5x = 40
Divide by - 5 for both sides
-5x/-5 = 40/-5
Answer: x = - 8
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