Step-by-step explanation:
-2x+3=x+12
combin like terms
-2x-x=12-3
-3x=9
x=9/-3
x=-3
The answer to this problem is 9 hopefully this helps you!
Answer:
B.
Step-by-step explanation:
Let , we solve for by algebraic means.
1) Given
2) Definition of power/Symmetry of equality
3) Compatibility with addition/Commutative and associative properties/Existence of additive inverse/Modulative property
4)
5) Result
Hence, the correct answer is B.