2 Answers
7 - 5x = 28 + 2x
7 -5x + 5x = 28 + 2x + 5x (Trying to get unknown on one side of equation. Start by adding 5x tto both sides will zero out -5x)
7 = 28 + 7x (Now get the x all by itself....Subtract 28 from both sides)
7 - 28 = 28 + 7x - 28
-21 = 7x Get the X alone; divide both sides by 7.
-21/7 = 7x/7
-3 = x
12 years ago. Rating: 2 | |
good answer!
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