dinapaul424
08.07.2019 •
Mathematics
The equations were multiplied by constants and added together to determine that the value of x in the system of equations is –20.
1/5x - 1/3y = -1
-3/4x + 1/3y= 12
a- –15
b- -9
c- 9
d- 15
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Ответ:
What is the diagram that you want to show us to answer?