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kramer
2 years ago
5

Solve 3 - x= -9. O A. x= 6 O B. x= 12 O c. x= -6 O D. x=-12

Mathematics
2 answers:
Katarina [22]2 years ago
6 0

Answer:

x=12

Step-by-step explanation:

you need the x alone so you substract 3 from both sides.

Then you have, -x= -12

You need the x positive so you change the sign for it but as it is an equation you need to do the same thing on the other side, making both sides positive.

x=12

Zarrin [17]2 years ago
6 0
The answer is B. 3 - x = -9
-x + 3 = -9
Subtract 3 from both sides of the equation. Simplify
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