Paul M. answered • 5d

Learn "how to" do the math and why the "how to" works!

Tutor

I’m available for 1–on–1 sessions ›

The numbers are n-1, n & n+1

2(n+n+1)+3 = n-1

4n+2+3=n-1

3n=-6n=-2

n-1=-3

n+1=-1

YIXUAN L.

asked • 5d
Follow
•
1

Add comment

More

Report

Paul M. answered • 5d

Learn "how to" do the math and why the "how to" works!

Tutor

I’m available for 1–on–1 sessions ›

The numbers are n-1, n & n+1

2(n+n+1)+3 = n-1

4n+2+3=n-1

3n=-6n=-2

n-1=-3

n+1=-1