philguy philguy

02-04-2019
Mathematics

contestada

8y - 9 - ( 4y - 5) = 12y - ( 4 + 5y)

Respuesta :

02-04-2019

8y-9-4y+5=12y-4-5y

4y-4= 7y-4

Add 4 to both sides

4y=7y. The only answer is 0

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