I'm sorry hun, i suck at math. If i knew how i would help you. Have you tried looking it up?
Answer:
I think im too late- if im not please imform me ill answer- if i get it
Step-by-step explanation:
3(x)-5=x+5
3x=-5+5+x
3x=x
0=x
because 3x=x is basically would make each part into 0 which would end up the same.
Answer: the value of 7x-y is -14.
Step-by-step explanation:
When x=2 and y=4,
To find the value of 7x - y when x =2, y = 4, this means when ever you see x, put 2 in replacement, y, put 4 respectively.
7x - y = 7(2 - 4)
14 - 28
= -14.
Answer:
2.5
Step-by-step explanation:
