There is normally a shape or something to these problems
Answer:
3k+1
Step-by-step explanation:
5k+-2k= 3k
3k--1 = 3k+1
hope this helps!!!!!!!!!!
Answer:
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Answer:
The value of the expression at x=5 is 10
Step-by-step explanation:
The given expression is 
Let us simplify this expression.
Distribute -2 over the parentheses, we get

Now, substitute x = 5, we get

On simplifying, we get

The value of the expression at x=5 is 10
You divide 42 by 7 which equals 6