Answer:
9x
Step-by-step explanation:
X is an unknown variable so just leave x as it is
Because the (2x) and the (7x) are being multiplied together they are almost seen as their own category of things
Think about having two bananas in a bowl. I just threw in seven more to get a total of nine bananas in the bowl.
It's the same thing when you have a variable right next to a number! add them together as if they are alike terms.
2+7=9 therefore your answer should be 9x
Answer:
no!
Step-by-step explanation:
19 1/2 = 39/2
39/2 divided by 3/4
Keep Change Flip
<u>39</u> * <u>4</u> =
2 3
simplify before you multiply
<u>13</u> * <u>2</u> = 26
1 1
there will not be any ice cream left because it was divided evenly among all the guests.
Hey! This may not be the answer you are looking for obviously. But go on KhanAcademy, they helped me with this when I was in Algebra!
sin (x) = -1
arcsin (-1) = x
x = -90
and multiples of 360
x =-90, 270,....
x =-90 + 360n where n is an integer
or in radians
-pi/2 + 2*pi *n where n is an integer
