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lions [1.4K]
3 years ago
9

Rewrite subtraction as an equivalent addition expression. 5(x – 4) + 3x – 9x + 7

Mathematics
1 answer:
iogann1982 [59]3 years ago
3 0

Hello!

Explanation:

Distributive property: → a(b+c)=ab+ac

Expand the form equation.

5(x-4)=5x-20

5x-20+3x-9x+7

Then, simplify by equation or expand.

5x-20+3x-9x+7=-x-13

Final answer is: → \boxed{=-x-13}

<u><em>*The answer must have a negative sign.*</em></u>

Hope this helps!

Thank you :)

-Charlie

Have a great day! :)

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H_{0}: \mu = 140\text{ mm}\\H_A: \mu < 140\text{ mm}

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