M=-1
I just put the expression in my calculator :)
Answer:
Its 6
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
Solving,
4x-5 = 27 add five to both sides
4x =32 divide by 4
x = 8 = blue marbles
3x-5 = 19 = red marbles.
-3
Explanation:
If f(x)=f(-1) then you just fill in -1 where x is.
2*-1-1
-2-1
-3
Answer:
c)
Step-by-step explanation:
16) Cost price = Selling price * 100 / (100- loss%)
= 800 * 100 / 80 = 10*100 = 1000
Loss = Cost Price - Selling price = 1000 -800 = 200