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ComicSans10
05.01.2020 •
Mathematics
What is the solution to the equation 1.6m − 4.8 = −1.6m?
m = 0.5
m = 0.7
m = 1.5
m = 3
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Ответ:
The solution would be A) (1,2)
Step-by-step explanation:
To use this method, start by multiplying the second equation by 2. Then add the two equations together.
6x - 2y = 2
-6x + 8y = 10
6y = 12
y = 2
Now that we have the value of y, use it to solve either equation for x.
-3x + 4y = 5
-3x + 4(2) = 5
-3x + 8 = 5
-3x = -3
x = 1