Perform the indicated operation and simplify 10x/5x-2 + 7x-2/5x-2
1 answer:
Answer:
Step-by-step explanation:
10x/5x-2 + 7x-2/5x-2
Here both fractions have same denominator 5x-2
When the denominators are same then we can combine the numerators
we put denominator only once
Now we simplify it
Combine like terms: 10x+7x becomes 17x
There is no common factor for the top and bottom
So we cannot simplify further
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The resulting equation if Becca isolated x² in the first equation and then substituted it into the second equation is (9-y²) / 25 - y²/36 = 1
<h3>Equation</h3>x² + y² = 9
x²/25 - y²/36 = 1
From (1)
x² = 9 - y²
substitute x² = 9 - y² into (2)
x²/25 - y²/36 = 1
(9-y²) / 25 - y²/36 = 1
Therefore, the resulting equation is option C; (9-y²) / 25 - y²/36 = 1
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