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suter [353]
3 years ago
5

1/3(y+2)+3x=7x Plz help!

Mathematics
1 answer:
alexira [117]3 years ago
3 0
Distribute the 1/3 to the y and the 2
So... (1/3)*y and (1/3)*2

(y/3)+(2/3)+3x=7x

Now subtract 3x from both sides

(y/3)+(2/3)=4x

To get rid of the 3 on the bottom of the fractions, you can multiply both sides by 3 so they cancel out.

y+2=12x
Subtract 2 from both sides to get an equation of
y=12x-2
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<h2>Answer:</h2><h2 />

In this context:

\boxed{\angle DBC=x=60^{\circ}}

<h2>Explanation:</h2>

Hello! Remember to write complete questions in order to get good and exact answers. Here the figure is missing so I'll assume the arc measure of DBC is given in radian and you want it in degrees. By definition, an arc's measure is <em>the measure of its central angle </em>being a central angle an <em>angle between two radii in a circle</em>. Suppose that angle measures:

\angle DBC=\frac{\pi}{3}\ radian \\ \\ \\ So, \ by \ rule \ of \ three: \\\\ \\ \pi \ radian \rightarrow 180 \ degrees \\ \\ \pi/3 \ radian \rightarrow x \ degrees \\ \\ \\ x =\frac{180\pi}{3\pi}=60^{\circ} \\ \\ \\ Finally: \\ \\ \boxed{\angle DBC=x=60^{\circ}}

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