iiVirtxzi iiVirtxzi

28-05-2019
Mathematics

contestada

Simplify 8r+(-4r)+3 and then solve if r=5

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alysa1252 alysa1252

29-05-2019

Simplify= 4r+3

Because 8r plus -4r which is 4r and then 3 can’t be simplified so u keep it the same

Then the answer if r=5 is 23

Because the equation looks like 4(5)+3

5 times 4 is 20 plus 3 is 23

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