Answer:
-7+c
Step-by-step explanation:
remove the parenthesis
(7-c)x1
multiply
-(-c+7)
Distribute parentheses
- (7) - (-c)
C. 6,9,12 I hope this helps! :)
Remember, we can do anything to an equation as long as you do it to both sides
and distributive proeprty, reversed
ab+ac=a(b+c)
xm=x+z
minus x from both sides
xm-x=z
xm-1x
undistribute x
x(m-1)=z
divide both sides by (m-1)
The answer is A 3/10 because there is 3 blue marbles and all together there is 10