antmanz
antmanz
06-12-2016
Mathematics
contestada
3x + 7 = 5x - 2. Show your work please
Respuesta :
drakearianna97
drakearianna97
06-12-2016
3x
+7
=
5x
−2
Step 1: Subtract 5x from both sides.
3x
+7
−
5x
=
5x
−2
−
5x
−
2x
+7
=
−2
Step 2: Subtract 7 from both sides.
−
2x
+7
−7
=
−2
−7
−
2x
=
−9
Step 3: Divide both sides by -2.
−
2x/
−2
=
−9/
−2
x=
9/2
Answer:
x=
9
/2
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