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Valentin Lucero
Mathematics
15 June, 08:44
Solve for X and check the solution.
-2x=4x+9
+4
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1
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Harper Hutchinson
15 June, 09:08
0
-2x=4x+9 |-4x
-6x=9 |: (-6)
x=-1,5
Check:
-2*-1,5=4*-1,5+9
3=-6+9
3=3
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