Based on what i have seen i believe your answer is going to be A.
Substitution is best to use one one or both equations is already solved for one of the variables. Elimitation can be use if all variables have a coefficient other than 1.
Answer:
B. -3.25
Step-by-step explanation:
Multiplying by 0.5 is the same as divided by 2.
*Dont forget the negative.
-0.5(6.5)= 6.5/-2 = -3.25
Answer:
3.B
4.A
Step-by-step explanation: