guilloryjamira
09.02.2021 •
Mathematics
3х – 8y = 34
7х + 4у = -34
Solve by elimination
Y and x
Please show steps ):
Solved
Show answers
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Ответ:
The answer would be (-2, -5)
Step-by-step explanation:
3x - 8y= 34
2(7x + 4y = -34)
3x - 8y=34
14x + 8y= -68
17x= -34 divided by 17
x = -2
3(-2) -8y= 34
-6 -8y =34 add 6
-8y= 40 divide by -8
y = -5
if you want to check the answer replacing -2 for x and -5 for y
7(-2) + 4(-5)= -34
-14 + (-20) = -34
-34 = -34
I hope this help sorry I'm not good explaining
Ответ:
all of them they all have right hands
Step-by-step explanation: