danyal630 danyal630

10-03-2016
Mathematics

contestada

How do I work this out?

1. 1/4(x + 3) = 12

2. x+4 / 3 = 12

I feel stupid, I completely forgot since I was ill..

Respuesta :

Аноним Аноним

10-03-2016

1. 1/4(x+3)=12=X+3-12*4/4=X-45/4. Then, x-45/4=0. So, 1. X=45. 2. x+4/3=12=3x-32/3*3=0*3. 3x-32=0. You add 32 to each sides. 3x=32. x=32/3. Therefore, 1. x=45 and 2. x=32/3

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