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alisha [4.7K]
4 years ago
6

Can you walk me thru this 2 •(3(5+2)-1)​

Mathematics
1 answer:
kobusy [5.1K]4 years ago
5 0

Answer:

40

Step-by-step explanation:

2 •(3(5+2)-1)​

2 ·(3(7)-1)

2·(21-1)

2·20

=40

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8•10^-2
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How do I do 2 root 20 - 3 root 5
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8 0
3 years ago
Solve for x<br>2x + 4 + 2x -9 + 8 = 180​
Alex

Answer: Simplifying

2x + 4 + 2x + 8 + 2x + 8 = 180

Reorder the terms:

4 + 8 + 8 + 2x + 2x + 2x = 180

Combine like terms: 4 + 8 = 12

12 + 8 + 2x + 2x + 2x = 180

Combine like terms: 12 + 8 = 20

20 + 2x + 2x + 2x = 180

Combine like terms: 2x + 2x = 4x

20 + 4x + 2x = 180

Combine like terms: 4x + 2x = 6x

20 + 6x = 180

Solving

20 + 6x = 180

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-20' to each side of the equation.

20 + -20 + 6x = 180 + -20

Combine like terms: 20 + -20 = 0

0 + 6x = 180 + -20

6x = 180 + -20

Combine like terms: 180 + -20 = 160

6x = 160

Divide each side by '6'.

x = 26.66666667

Simplifying

x = 26.66666667

Step-by-step explanation:

8 0
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Answer:

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Step-by-step explanation:

we have:

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5 0
4 years ago
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