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
You can multiply 16 times what equls 88 and then divide by 4 much more simple than it sounds and also your in high school and u cant solve this problem
Answer:
x= C-a/b
Step-by-step explanation: Ik alllLlLLlllLlLL
(my other account is actingqueen2468 but i forgot my password)
32*1.2=38.4 (.2 is the 20%, and the 1 adds the percent to the original cost making it a mark up)
1.25x2=2.50
2.50x2=5.00
Total-7.50
20.00-7.50=12.50
