Answer:
7(n-7)
Step-by-step explanation:
it tells us that there is difference of a number and 7
a number=n
this will be (N-7)
this tells us that seven times the equation (N-7), so just multiple 7 by the equation (n-7)
7(n-7)
Answer: pretty sure it will be .5
5x (-2) = -8
-10x = -8
10x = 8 ( omitting negative on both sides).
x = 8/10
x = 4/5
Answer:
Step-by-step explanation:
Let x be the brother's weight.
Then 2x-5 is Andy's weight.
x+(2x-5)=100
3x-5=100
3x=105