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anzhelika [568]
3 years ago
13

Plz help!!! It's on elimination its Algebra 1

Mathematics
1 answer:
koban [17]3 years ago
7 0
2x-y=0 Y=x-1 2x-x-1=0 x-1=0
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Use substitution to write an equivalent quadratic equation.<br> (3x + 2)2 + 7(3x + 2) – 8 = 0
ANEK [815]
Let z = 3x+2. Then, by substitution, your equation is
.. z^2 +7z -8 = 0

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This equation can be factored as
.. (z +8)(z -1) = 0
.. x = -8 or +1
Then
.. 3x +2 = -8 or +1
.. 3x = -10 or -1
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3 years ago
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Please help! Solve for x: -4x - 3/5 = 1/3 4x + 3/5 = 1/3 Please include a step-by-step explanation. Thank you!
vodka [1.7K]

Answer:

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Step-by-step explanation:

1. -4x-3/5=1/3

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4x=1/3-3/5

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3 years ago
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Evaluate x+y when x=13 and y=−74. Write your answer as a fractionin simplest form
Fofino [41]

<u>The value of the expression is -35.</u>

<u>Step-by-step explanation:</u>

<u>Consider the provided expression.</u>

<u>3x + y </u>

<u>We need to find the value of the expression for x=13 and y=−74 .</u>

<u>Substitute the value of x=13 and y=−74  in the above expression as shown:</u>

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2 years ago
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IRINA_888 [86]

Answer

no answer

Step-by-step explanation:

there is no number that would be negative when square up

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3 years ago
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Naddik [55]

Answer:

The answer is C. Rounding to the nearest whole number.

Step-by-step explanation:

Please mark me brainliest

7 0
3 years ago
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