Answer:
a
Step-by-step explanation:
The correct answer is true:)
Answer:
15
Step-by-step explanation:
Answer:
subtract 9 on both sides.
Step-by-step explanation:
-5m+9=12 --> -5m=7
Answer:
2(a+3b)-(b+c)=
2(4+3(2))-(2+3)=
2(4+6)-(5)=
2(10)-5=
20-5=
15
Step-by-step explanation: