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miv72 [106K]
3 years ago
14

Tracy solved the system of equations by making a substitution for x in the second equation.

Mathematics
1 answer:
irinina [24]3 years ago
8 0
I: x = –2y – 2
II: 2x + 3y = –6

substitute I's x (x = –2y – 2) definition into II:
2*(-2y-2) + 3y = –6
-4y-4+3y=-6

which is the last option

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Evaluate f(x) = 2|x – 5| for f(–5) and f(0).
Elanso [62]

Answer:

f(–5) = 20, f(0) = 10

Step-by-step explanation:

f(-5):

f(-5) = 2|-5 -5|

f(-5) = 2|-10|

f(-5) = 2(10)

f(-5) = 20

f(0):

f(0) = 2|0 - 5|

f(0) = 2|-5|

f(0) = 2(5)

f(0) = 10

7 0
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Step-by-step explanation: Good luck

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Paraphin [41]
The sum of g and 3. 

The sum of two values is added together. 

g+3

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I hope this helps!
~kaikers
3 0
3 years ago
Solve This Equation 5x - 5 = 50
Black_prince [1.1K]
X=11
All you have to do is add 5 to both sides and then divide by 5 on both sides
7 0
4 years ago
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A migrating bird flies 378 miles in 14 hours. How many miles does it fly in 3 ​hours?
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3 years ago
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