Answer:
your study guide can be stuck up you know where :3
You can set up an system of equations
x=2y+8
x-y=25
Substitute x in to the second equation
2y+8-y=25
y+8=25
y=17
Substitute the y back in to the first equation.
x=2(17)+8=42
Answer:100$
Step-by-step explanation: since the violin was 50 % off, that just means that the price it is is half of what it normally was , so you just multiple the fifty by 2 to get your answer which is that the violin cost 100$
Answer:
X/2-7
Step-by-step explanation:
any number which is said to be less than another number let's say b should be subtracted from b.
25 cubic centimeters....
Hope this helps! all you had to do it multipley <span />
