Find the slope of the equation
2 answers:
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Explanation:
First, add by 25 both sides of an equation.
Then, simplify by equation and add/subtract by the numbers.
*The answer must be have a negative sign.
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The answer is D, i.e. the system was solved via elimination
If you multiply the first equation by 5, the system becomes
If you sum the two equations, you get
And so if you substitute the second equation of system A with this new equation, you'll get system B.