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2 years ago

Solve for X. Please help! 35 points

Mathematics

1 answer:

Rufina [12.5K]2 years ago

6 0

5x+3=6x-4
-x=-7
X=7
Hope this helps!

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3 years ago

From delta math:<br> Subtract -2x^2 + 3x - 9 from 8x^2 + 10x - 10

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Answer:

$10x^2 + 7x - 1$

Step-by-step explanation:

Step 1: Build the expression in numerical form.

$(8x^2 +10x - 10) - (-2x^2 + 3x - 9)$

Step 2: Distribute the negative sign.

$8x^2 +10x -10 + (-1)(-2x^2) + (-1)(3x) + (-1)(-9)$
$8x^2 + 10x - 10 + 2x^2 + (-3x) + 9$

Step 3: Combine like terms.

$(8x^2 +2x^2) + (10x -3x) + (-10+9)$
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Therefore, the answer is $10x^2 + 7x -1$ .

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2 years ago

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2 years ago

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Nadya [2.5K]

Answer:

8.5 inches and 34 inches

Step-by-step explanation:

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Step-by-step explanation:

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