mfoster495
23.08.2021 •
Mathematics
−5x+4y=3
x=2y−15
what would be the values of x and y
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Ответ:
x=9 y=12
Step-by-step explanation:
eqn 1 - x=2y-15
eqn 2- -5x+4y=3
-5(2y-15)+4y=3
-10y+75+4y-3=0
-6y+72=0
y= 12
x=2y-15
x=2(12)-15
x= 9
Ответ:
Substitution,
-5(2y-15) + 4y=3
-10y + 75+ 4y=3
75-3 = 10y - 4y
6y = 72
y. = 72/6
Y= 12
Now find x
X= 2(12) - 15
X= 24 - 15
X= 9
Soo
X= 9; Y= 12
Ответ:
ion know
Step-by-step explanation:
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soory