nxusasmangaliso8780
22.10.2019 •
Mathematics
Solve by linear combination
2x-y=6
x+y=6
i need all the work
Solved
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Ответ:
x+y=6
3x = 12
3x/3 = 12/3
x = 4
x + y = 6
4 + y = 6
4-4 +y = 6 -4
y = 2
Check
2x - y = 6
2(4) - 2 = 6
8 - 2 =6
6=6
Ответ:
Answer is in the file below
tinyurl.com/wpazsebu