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2 years ago

Find the solution to the following system using substitution or elimination:

Mathematics

2 answers:

Olegator [25]2 years ago

6 0

Answer:

Step-by-step explanation:

y = - x + 10 → (1)

y = 7x + 2 → (2)

Substitute y = 7x + 2 into (1)

7x + 2 = - x + 10 ( add x to both sides )

8x + 2 = 10 ( subtract 2 from both sides )

8x = 8 ( divide both sides by 8 )

x = 1

Substitute x = 1 into either of the 2 equations and solve for y

Substituting into (2)

y = 7(1) + 2 = 7 + 2 = 9

solution is (1, 9 ) → B

Mekhanik [1.2K]2 years ago

6 0

The answer is b have a great day

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3/10

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2 years ago

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ycow [4]

Answer:

7) (f+g)(x) = 4^x +5x -5

8) (f-g)(x) = 4^x +x +5

Step-by-step explanation:

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