What is (2n + 20) + 60 = 90?

asked May 2, 2015 87.0k views

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2n+20+60=90 2n+80 =90 2n+80 =90 80 -80 2n =10 2 2 n =5

Jreh answered May 2, 2015

by Jreh

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(2n +20) +60 = 90
-60 -60
2n+20= 30
-20 -20
2n=10
divide by two on both sides
n=5

Marc Towler answered May 6, 2015

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