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guajiro [1.7K]
3 years ago
15

Solve the equation -2y+4=8y-6

Mathematics
2 answers:
Phantasy [73]3 years ago
5 0

Hey there!

<h2>ANSWER: y=1</h2><h2>EXPLANATION:</h2>

-2y+4=8y-6

To solve, we will need to subtract 8y from both sides of the equation.

-2y+4-8y=8y-6-8y\\\text{Equals:}-10y+4=-6

Now we have to subtract 4 from both sides of the equation.

-10y+4-4=-6-4\\\text{Equals:}-10y=-10

In our last step, we have to divide both sides by -6.

\frac{-10y}{-10} =\frac{-10}{-10}\\ \text{Equals:}y=1

Hope this helps!

\text{Please rate this answer and press the thank button!}\\\text{-TestedHyperr}

Sergeeva-Olga [200]3 years ago
4 0

Answer:

y = 1

Step-by-step explanation:

-2y + 4 = 8y - 6

<em>First, add 2y to both sides to cancel out the letter variable.</em>

<em />

4 = 10y - 6

<em>Second, add 6 to both sides to cancel out the number variable.</em>

<em />

10 = 10y

<em>Finally, divide both sides by 10</em>

<em />

y = 1

<em>Tip: Be sure to always keep the letter on the left side of the answer.</em>

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Step-by-step explanation:

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Let us first simplify before making our deductions.

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\dfrac{7x+5}{x-1} -(\dfrac{8x-1}{x-1} +\dfrac{2x-4}{x-1} )=\dfrac{7x+5}{x-1} -\dfrac{8x-1}{x-1} -\dfrac{2x-4}{x-1}

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Opening the brackets and simplifying

=\dfrac{7x+5-8x+1-2x+4}{x-1}\\\text{Collecting like terms in the numerator}\\=\dfrac{7x-8x-2x+5+1+4}{x-1}\\=\dfrac{-3x+10}{x-1}

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2. The denominator of the fully simplified expression will be x – 1.

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