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02-09-2016
Mathematics

contestada

3(5b-1)=5
solve for b

4(3y-1)=20
solve for y

Respuesta :

MalgosiaaaK MalgosiaaaK

02-09-2016

3(5b-1)=5
Get rid of the brackets
15b-3=5
add 3 to both sides of the equation
15b=8
divide both sides of the equation by 15
b=0.53

4(3y-1)=20
12y-4=20
12y=24
y=0.5

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