Answer:
x=3
Step-by-step explanation:
2(3x+5)=22+5x-3x.
combine 2 with the bracket
6x+10=22+5x-3x
-10 -10
------------------------------
6x=12+5x-3
first combine 5x and -3x
6x=12+2x
-2x -2x
--------------------------
4x=12
divide by 4
4x/4=12/4
x=3
Answer:
c
Step-by-step explanation:
this is 9n>27. THIS is truuuuuuuuuuuueeeeeee
Answer:
2
Step-by-step explanation:
Let n equal that number.
5n-4=6
5n=10
n=2
Answer:
The student incorrectly used the Distributive property!
Step-by-step explanation:
The Distributive property says a(b+c)=ab+ac
In this problem the answer SHOULD be 3n-15, however the <u>student forgot to distribute the 3 to the -5</u>!