viktoria1198zz
12.02.2021 •
Mathematics
X + 2y = 10
3x + 4y = 8
Which point is the solution to the system of equations?
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Ответ:
x = -12
y = 11
Step-by-step explanation:
i used substitution and let 'x' = 10 - 2y
3(10 - 2y) + 4y = 8
30 - 6y + 4y = 8
30 -2y = 8
-2y = -22
y = 11
x + 2(11) = 10
x + 22 = 10
x = -12
Ответ:
The process of repeating additions of the same number.
Step-by-step explanation:
multiply using distributive property ... i think