mitetwojr
09.11.2019 •
Mathematics
What is the solution to the system of linear equations?
2x+4y=38
10x+3y=105
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Ответ:
2x+4y=38 ...(1)
10x+3y=105(2)
-10x-20y = - 190
10x+3y =105
add : -17y = - 85
y = 5
subsct in (1) : 2x +20 =38
2x = 18
x=9
Ответ:
-1/2 +2
step-by-step explanation: