Answer:
8x+y
Explanation:
3x+4y+5x-3y
Rearrange the terms so like terms are next to each other
3x+5x+4y-3y
Combine like terms
8x+y
I hope this helps!
It will take you 3/4 of an hour, or 45 minutes to paint 1 wall.
Answer:
54
Step-by-step explanation:
18 inches per year * 3 years = 54 inches
Answer:
2x -1
Step-by-step explanation:
the whole number preceding a whole number 2x = 2x-1
Commutative means that you can mix up the numbers, but still have the right answer.
2 x 10 x 7 =
2 x 7 x 10 =
10 x 2 x 7 =
10 x 7 x 2 =
7 x 2 x 10 =
7 x 10 x 2
Hope this helps :)