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3 years ago

8

What is the answer to this equation y=4x+8x for x

2 answers:

Juliette [100K]3 years ago

8 0

Solve for x by simplifying both sides of the equation, then isolating the variable
x is equal to y/12

Hitman42 [59]3 years ago

3 0

As the previous answer said, you can solve for x in the equation by simplifying and solving.
Starting with y=4x+8x
Simplify by adding like terms (4x and 8x)
y=12x
And divide by 12 on both sides to isolate the x
$\frac{y}{12} =x$
Would be your answer
~I hope this helps!~

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with a = - 16, b = 12, c = - d

Use the quadratic formula to solve for t

t = ( - 12 ± $\sqrt{12^2-(4(-16)(-d))}$ ) / - 32

= ( - 12 ± $\sqrt{144-64d}$ ) / - 32

= ( - 12 ± $\sqrt{16(9-4d)}$ ) / - 32

= ( - 12 ± 4 $\sqrt{9-4d}$ ) / - 32

= $\frac{-12}{-32}$ ± $\frac{4}{-32}$ $\sqrt{9-4d}$

= $\frac{3}{8}$ ± $\frac{1}{8}$ $\sqrt{9-4d}$

= $\frac{3}{8}$ ± $\frac{\sqrt{9-4d} }{8}$ → D

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