A. -14x+21
because -7 times 2x is -14x and -7 times -3 is 21
Answer:
1. (3,-3)
2. x=3 x=-2
Step-by-step explanation:
Plug it into the equation one number at a time.
x = -23
3x-4x-14=9
-x = 9 + 14
-x = 23
50%.
1/7 / 2/7
= 1/7 * 7/2
= 7/14
= 1/2.
= 50%.
100%=$4400
40% $=?
40 ×4400/100
$1760