ferg6
27.10.2020 •
Mathematics
(05.02
What is the value of the x variable in the solution to the following system of equations? (1 point)
4x + 2y = 6
x - y = 3
5
-2.
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Ответ:
3x + 2y = 36
3x + 2y = 36
x - y = 2x = y + 2
3(y + 2) + 2y = 36
3y + 6 + 2y = 36
3y + 2y = 36 - 6
5y = 30
y = 30/5
y = 6
x - y = 2
x - 6 = 2
x = 2 + 6
x = 8
solution is : (8,6)