KF16
24.08.2019 •
Mathematics
How to solve by elimination2x-y=32 and y -5x=13
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Ответ:
{2x-y=32
{y-5x=13 (+)
(2x-y)+(y-5x)=32+13
2x-y+y-5x=45
-3x=45 /:(-3)
x=-15
2x-y=32
2*(-15)-y=32
-30-y=32
-y=62
y=-62
The (-15; -62)
Ответ:
hi there
Step-by-step explanation: