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PIT_PIT [208]
3 years ago
9

Which expression is equivalent to (3x^5+8x^3)-(7x^2-6x^3)

Mathematics
1 answer:
inn [45]3 years ago
7 0

Answer: look at the picture that the answer to it

Step-by-step explanation: Hope this help :D

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Y=3x-5 y=6x-8 show all steps and write the solution
m_a_m_a [10]

Step 1: Set the two equations equal to each other and solve for x.

3x -5 = 6x - 8

3x + (-5+5) = 6x -8 + 5

(3x - 6x) = (6x - 6x) - 3

-3x/-3  = -3/-3

x = 1

Step 2: To solve for y take one of the given equation of your choice (for the purpose of this explanation I will only do y = 3x - 5) and replace x with 1, then solve for y

y = 3(1) - 5

y = 3 - 5

y = -2

(1,-2)

Check:

-2 = 3(1) - 5 ---> - 2 = -2

-2 = 6(1) - 8 ---> -2 = -2

Hope this helped!

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Step-by-step explanation:

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