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5 votes
4n-40=7(-2+2) what is the answer

2 Answers

4 votes
Step 1. Simplify -2 + 2 to 0


4n-40=7*0

Step 2.
Simplify 7 * 0 to 0


4n-40=0

Step 3. Add 40 to both sides


4n=40

Step 4.
Divide both sides by 4


n= (40)/(4)

Step 5.
Simplify
(40)/(4) to 10


n=10

Done :) Hope this helps! :)
User Jason Kotzin
by
9.3k points
4 votes
PEMDAS
Parenthesis
Exponent
Multiplication
Division
Addition
Subtraction

4n-40=7(-2+2)
0

4n-40=7(0)

4n-40= 0
+40 +40

4n=40
40/4

N=10
User Michalis
by
7.7k points