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Murljashka [212]
3 years ago
8

12y+8=2x Solve for x and y

Mathematics
2 answers:
KiRa [710]3 years ago
7 0
I’m learning this right now so first you will subtract 8 on both sides of the equation. Then, rewrite it as 12y=2x-8. Next you will divide by 12 to each number when you are done then rewrite it as y=1/6x-2/3. Then for x you will divide by 2 on both sides and it would be x=6y+4. Well, that’s how I’m learning it I don’t know if that’s the same way you are learning it. But there you go
Artemon [7]3 years ago
3 0

12y+8=2x\qquad\text{subtract 8 from both sides}\\\\12y=2x-8\qquad\text{divide both sides by 12}\\\\y=\dfrac{2}{12}x-\dfrac{8}{12}\\\\\boxed{y=\dfrac{1}{6}x-\dfrac{2}{3}}\\\\2x=12y+8\qquad\text{divide both sides by 2}\\\\\boxed{x=6y+4}

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Answer:

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To evaluate f(10), substitute x = 10 into f(x), that is

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Future value with simple interest = principal + interest

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The pattern is clearly subtracting 4 each time (or adding -4).

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