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Dunlap
Mathematics
13 August, 15:44
X+2=3x+8
geometry
solve for x
+2
Answers (
2
)
Milagros Morgan
13 August, 15:51
0
X + 2 = 3x + 8
(Subtract 8 over)
x - 6 = 3x
(Commutative property, x on the left is easier to understand usually)
3x = x - 6
(Subtract x over)
2x = 6
(Divide both sides by 2)
x = 3
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Phantom
13 August, 15:52
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X+2=3x+8
Subtract 3x from both sides
x+2 - 3x = 3x + 8 - 3x - 2x + 2 = 8
Subtract 2 from both sides
-2x+2-2=8-2
-2x=6
Then divide both sides by - 2
You get x = - 3
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