jordanh12435 jordanh12435

15-11-2018
Mathematics

contestada

when solving 2n – 5 = 8n + 7 do you subtract 2 from 8 or 8 from 2

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heyitsjackie heyitsjackie

15-11-2018

either just make sure you carry the negative

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hippygoon hippygoon

15-11-2018

Neither!

2n-5= 8n+7

+5 +5

2n= 8n+12

/2 /2 /2

n= 4n+6

2(4n+6)-5= 8(4n+6)+7

8n+7= 32n+55

-7 -7

8n= 32n+48

/8 /8 /8

n= 4n+6

This problem has NO SOLUTION!

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