jurnee77
03.12.2019 •
Mathematics
Find the solution of this system of equations. -x - 5y= 30, 10x + 5y= -75
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Ответ:
x=-5, y=-5. (-5, -5).
Step-by-step explanation:
-x-5y=30
10x+5y=-75
9x=-45
x=-45/9
x=-5
-(-5)-5y=30
5-5y=30
5y=5-30
5y=-25
y=-25/5
y=-5
Ответ:
25 greater than or equal to symbal 5.25 + 4g
Step-by-step explanation: