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Licemer1 [7]
3 years ago
6

Identify the terms and like terms in the expression - x - 9x*2 + 12x*2 + 7

Mathematics
1 answer:
alexgriva [62]3 years ago
4 0
The expression - x - 9x^2 + 12x^2 + 7 has 4 terms:
-x, -9x^2, 12x^2, 7

Like terms are:
-9x^2, 12x^2
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I hope this helps you


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5 0
3 years ago
Help needed ! 13 - 2(2x + 1) = 1 ?
kirill115 [55]

Answer:

x = ¹⁰⁄₄,⁵⁄₂, or 2.5

Step-by-step explanation:

Given: 13 - 2(2x + 1) = 1

1. Distribute -2 through the parentheses:

⇒ 13 - 2(2x + 1) = 1

⇒ 13 + (-2)(2x) + (-2)(1) = 1

13 - 4x - 2 = 1

2. Combine like terms:

⇒ 13 - 4x - 2 = 1

⟹ 11 - 4x = 1

3. Subtract 11 from both sides:

⇒ 11 - 11 - 4x = 1 - 11

⟹ -4x = -10

4. Divide both sides by -4:

⇒ -4x ÷ -4 = -10 ÷ -4

⟹ x = ¹⁰⁄₄,⁵⁄₂, or 2.5

5. Check your work:

⇒ 13 - 2(2x + 1) = 1

⇒ 13 - 2(2(2.5) + 1) = 1

⇒ 13 - 2(5 + 1) = 1

⇒ 13 - 2(6) = 1

⇒ 13 - 12 = 1

⟹ 1 = 1 ✔

Learn more here:

brainly.com/question/17139226

brainly.com/question/26315061

5 0
2 years ago
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150 cm
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3 years ago
A farmer had 88 melons growing in her garden. In June, the farmer had picked 14 melons. In July, a thunderstorm knocked a branch
Alchen [17]

Answer:

51 melons

Step-by-step explanation:

you do 88-14= 74 then 74/2= 37 then add 37 + 14 = 51 melons

3 0
3 years ago
Read 2 more answers
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