9*(x-1)=2x-7
First get rid of your parenthesis by distributing.
9x-9=2x-7
Then all you have to do is isolate the variable
9x=2x+2
7x=2
so x= 2/7
20%, because 20/100 is equal to 20&.
Hope this helps!
Answer:
4x12=48
Step-by-step explanation:
1 car=4 wheels
12cars= 48 wheels
Answer:
Distributive property
Step-by-step explanation:
The distributive property tells you ...
a(b+c) = ab +ac
Here, you have a=4, c=2, so ...
4(b+2) = 4·b + 4·2 = 4b +8