GiuliAzevedo
13.12.2020 •
Mathematics
Which matrix represents the system of equations?
3x + 5y = −9
x + 5y = 16
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Ответ:
Ответ:
10) x= -5
Step-by-step explanation:
you want to do the opposite of the 10 to get it to the other side. in this case that would be to subtract 10 from both sides. you should get 4x= -20. then you divide 4 by both sides and you get your answer