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3 years ago

Solve the system algebraically.

Mathematics

2 answers:

Alexandra [31]3 years ago

5 0

Answer:

Let 2x + y - 10 = 0 be equation (a).

Let x - y - 5 = 0 be equation (b).

Make y the subject in equation (b):

${ \tt{x - y - 5 = 0}} \\ { \tt{y = x - 5}}$

Substitute for y in equation (a):

${ \tt{2x + (x - 5) - 10 = 0}} \\ { \tt{3x - 15 = 0}} \\ { \tt{3x = 15}} \\ { \tt{x = 5}}$

Find y in any equation of your choice:

${ \tt{y = (5) - 5}} \\ y = 0$

djyliett [7]3 years ago

5 0

Hope this helps! I used substitution method! feel free to clarify!

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timama [110]

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Step-by-step explanation:

Given

<LON = 77°

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<LON = <LOM+<MON

Since we are not told what to find we can as well look for the value of x, <LOM and <MON

Substitute the given parameters and get x

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<LOM = 9x+44

<LOM = 9(2)+44

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Get <MON:

<MON = 6x+3

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Answer:

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Step-by-step explanation:

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