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Irina-Kira [14]
3 years ago
13

To isolate the variable in the equation -3x - 9 = -27, the first step is to add 9 to both sides. This gives you -3x = -18. What

is the next step to isolate the variable?
 A.+ 18  B.18  C. -3  D.+ 3x
Mathematics
2 answers:
drek231 [11]3 years ago
7 0
Divide both sides of the equation by -3, which gives you x=6.
Vinvika [58]3 years ago
7 0
-3x-9=-27
Add 9 to both side
-3x-9+9=-27+9
-3x=-18
divided -3 to each side
-3x/-3=-18/-3
x=6
Check:
-3x-9=-27
substitute x with 6
-3(6)-9=-27
-18-9=-27
-27=-27. As a result, the next step to isolate the variable is divided -3 to both side. Hope it help!
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