Answer:

Step-by-step explanation:
We have been given an expression
. We are asked to find equivalent expression to our given expression.
Using distributive property
, we will get:


Therefore, the expression
is equivalent to our given expression.
4x+5=13
Start by subtracting 5 from both sides:
4x+5-5=13-5
4x=8
Divide both sides by 4 to isolate x
x=2
Answer:
Step-by-step explanation:
1/2n - 5 = 21
1/2n = 21+5
1/2n = 26
n = 26 x 2
n = 52
Answer:
4 more than 10 is the same thing as 10 + 4
That would be 14.
Answer:
20%decrease
Step-by-step explanation:
sorry I'm bad at explaining things