3y-4=12-y and also show the step please

Mathematics

2 answers:

motikmotik3 years ago

7 0

Answer:

y=4

Step-by-step explanation:

look at the picture. :) hope this helps

marissa [1.9K]3 years ago

4 0

Answer:

y = 4

Step-by-step explanation:

Lets begin by combining like terms, starting with y. We can take the -y on the right, and bring it to the left side, adding it with the 3y already there. We are now at.

4y - 4 = 12

We now can take the -4 from the left and bring it to the right as +4.

4y = 16

We can now divide 16 by 4, getting 4 as the final answer.

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3 years ago

What are all the rational roots of the polynomial f(x) = 20x4 + x3 + 8x2 + x – 12?

Eduardwww [97]

Answer:

-0.8 and 0.75.

Step-by-step explanation:

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by the rational roots theorem:-

The leading coefficient is 20 with factors +/- 1,2,4,5,10,20

and the constant is -12 with factors +/- 1,2,3,4,6,12

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