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Kazeer [188]
3 years ago
7

Solving systems of equations using substitution

Mathematics
1 answer:
scoray [572]3 years ago
8 0
You are told that y=-5, so just use that value for y in the second equation...

5x+4(-5)=-20

5x-20=-20

5x=0

x=0 so the solution, when the lines intersect, is the point (0,-5)
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Answer:

See below

Step-by-step explanation:

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<u><em>Answer:</em></u>

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4 years ago
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andreyandreev [35.5K]

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3 years ago
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Nesterboy [21]

Answer:

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Step-by-step explanation:

Let x be Eli's age and y be Cecil's age

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x = 42

Eli's age = 42 years ..

8 0
3 years ago
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