2 by 7 + – is equals to 1 so we can say that x.
x=1-2/7
x=7/7-2/7
x=5/7
Answer:
Uhhhh si he counted 40 cars so just do 40 times 9 which is 360
Answer:
2x + 8x
10x
Step-by-step explanation:
Open the brackets and multiply x inside.
For example, exc. 15.
x + y = 10 and 6/x = 9/y; You need y!
=> x = 10 -y and 9x = 6y => 9(10-y) = 6y => 90 - 9y = 6y => 15y = 90 => y = 6.
