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kaliyab191
03.02.2021 •
Mathematics
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Ответ:
3(2x-5y) = 3(-1)
2(-3x+2y)= 2(7)
6x-15y = -3
-6x +4y = 14
now, add the two equations
0x - 11y = 11
divide both sides by -11
y = -1
insert -1 in for y in either original equation and solve for x.
2x -5(-1) = -1
2x +5 = -1
2x +5 -5 = -1 -5
2x = -6
2x ÷2 = -6 ÷2
x= -3
Ответ:
The answer would be B)
Hope this helped
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