Ten (10) more than (+) half (

) of a number (x) is (=) eight (8) less than (-) twice (2 x ) the number (x).

x + 10 = 2x - 8 Multiply both sides by 2
x + 20 = 4x - 16 Subtract x from both sides
20 = 3x - 16 Add 16 to both sides
36 = 3x Divide both sides by 3
12 = x
10 different pairs. Since there are 5 different brands you simply add 4+3+2+1 to get 10.
Answer:
- 3225
Step-by-step explanation:
d = 75
2d + ( - 45 d )
= 2 ( 75 ) - 45 ( 75 )
= 150 - 3375
= - 3225
21 would be ur answer
69+21=90
Answer:
Step-by-step explanation:
Use the distance formula:
For us that will look like this:
which simplifies to
and a bit more to
so
