Answer: w- width
18=2(6+w)
18=12+2w
18-12=2w
6=2w
W=3 meters
Step-by-step explanation:
Like terms are when you have 2 of the same coefficent disregarding the amount of numbers. you can add or subtract them to simplify in other words.
Answer:
70mm
Step-by-step explanation:
15mm + 8mm = 23mm, this equals the total top side.
15mm+8mm = 23mm, this equals the total bottom side.
12mm x2 = 24mm, both the left and right side
add these together = 70mm
Good luck!
Yes, because you are saying 7x6=42.
(-4b - 8) = 20
-4b = 20 + 8
-4b = 28
b = -7
