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27.06.2019 •
Mathematics
What is y=6x-6 and -3x-3y=-24 system of substitution
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Ответ:
x = 2
y = 6
Step-by-step explanation:
y= 6x - 6
-3x- 3y= -24
to find the value of x:
- 3x - 3 (6x - 6)= -24
- 3x - 18x + 18= -24
-21x + 18 = -24
-21x= -42
x = 2
Now, to find the value of y:
(substitute x into the equation)
y = 6 x - 6
y = 6 (2) - 6
y = 12 - 6
y = 6
Ответ:
answer:
520mg would be 0.520 gram