Step-by-step explanation:
= x + x -2+ 1 -2x
=2x-3- 2x
=3 ans
hope it help you.
4(2x +5) = (8x + 20)
8x =20 is an equivalent expression
Answer:
Angle Bisector Theorem
Step-by-step explanation:
Answer:
What are the options? ban, forbid, prohibit, are some examples
Step-by-step explanation:
Answer:
61.25%
Step-by-step explanation:
How many ml of 20 percent acid should be added to pure acid
to make 70 ml of 30 percent acid?
:
let x = amt of 20% mixture
then
(70-x) = amt of pure acid
:
0.20x + (70-x) =0 .30(70)
0.20x + 70 - x = 21
= 21 - 70
-0.8x =-49
x = 61.25%
x = +61.25 ml of 20% stuff
