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Tpy6a [65]
2 years ago
5

Can someone help me with this i dont know what im doing

Mathematics
1 answer:
4vir4ik [10]2 years ago
8 0

Answer:

ok sure will do the answer is

Step-by-step explanation:

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Start by cross multiplying:
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Simplify:
82 = 5x
Final answer:
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Find the difference.<br><br> (5x2 - 3x + 7) - (3x2 + 4x - 5)
Katena32 [7]

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16-7x

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10x-3x+7-6-4x+5

16-7x

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Illusion [34]

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3 years ago
Please help with steps??? Question: Find the solution for a system of equations by elimination
Margaret [11]

Answer:

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Step-by-step explanation:

2x - 3y = 6 --- Equation 1

Equation 1×5: <em>10x</em> - 15y = 30 --- Equation 2

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Equation 3×2: <em>10x</em> + 14y = -28 --- Equation 4

<u>I will eliminate 10x. </u>

Equation 4-2:

10x - 15y - 10x + 14y = 30-(-28)

-y = 30+28

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y = -58

Substitute y  =-58 into Equation 1.

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2x = 6-174

    = -168

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x = -168 ÷ 2

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8 0
3 years ago
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