5.
-4n+ 7+ 2n= 1
⇒ (-4n+ 2n)+ 7= 1 (combine like terms)
⇒ -2n= 1-7
⇒ -2n= -6
⇒ n= -6/(-2)
⇒ n= 3
Final answer: B. 3~
6. 4(y-4)= 8
⇒ y-4= 8/4
⇒ y-4= 2
⇒ y= 2+4
⇒ y= 6
Final answer: D. 6~
Answer:
21
Step-by-step explanation:
1/3= 0.33
7/0.33
Answer: Use the areas for actual length, and in terms of blueprint length, use a ruler to measure inches.
Step-by-step explanation: IDK if this is correct, but thats how I know it.
Answer:
Reason : by ASA , x = 36
Step-by-step explanation:
∠ABC = ∠EBD (vertically opposite angle)
BC = BD = 54 (same length)
∠BAC = ∠BDE (alternate interior angles)
By ASA , ΔABC ≅ ΔDBE

Answer:
Step-by-step explanation: