mktdonaldson
30.09.2019 •
Mathematics
3x+2y=-19
-3x-5y=25
solve for x and y
Solved
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Ответ:
y= -2
I didn't double check the answers by inputting them back into the equations, but if you want to then you can. Yet I am 99% positive my answer is correct.
Ответ:
3x+2y=-19
-3x-5y=25
o-3y=6
so, y=6÷(-3)=-2
and for x 3x+2(-2) =-19⇒ 3x-4=-19⇒3x=-15⇒x=-5
hope so it will help
Ответ:
the correct answer is $30
Step-by-step explanation: