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Nina [5.8K]
4 years ago
9

What is a correct first step for solving this equation x+7=2x+5-4x

Mathematics
2 answers:
SOVA2 [1]4 years ago
8 0

Answer:

2x+4x=6x

Step-by-step explanation:

lesya692 [45]4 years ago
6 0

Answer:

Combing like terms.

Step-by-step explanation:

If there are like terms with a variable, you should combine them to make the problem more easier.

2x-4x = -2x

x + 7=-2x+5

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Answer:

1 : 19 PM

Step-by-step explanation:

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12:00 + 1 hour and 19 minutes

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lisabon 2012 [21]

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2 years ago
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8 0
3 years ago
Read 2 more answers
HELP ME !! AND EXPLAIN HOW YOU GOT IT.
Juli2301 [7.4K]

Answer: G = 50°, I = 50°, H = 80°

Step-by-step explanation:

First and foremos, the sum of three angles of a triangle is 180°

2x + 2x + (4x - 20) = 180°

8x - 20 = 180°

8x = 180° + 20 (adding 20 on both sides)

8x = 200°

x = 200/8

x = 25

The value of the angles can be found by replacing the value of x with 25

2x = 2 x 25 = 50°

Therefore, the angle of two angles are 50°

And the other is (4 x 25) -20 = 80°

4 0
3 years ago
Radius is 21 5/8 incercepted by 5Pi/6? What is arc lenght?
vesna_86 [32]

9514 1404 393

Answer:

  (18 1/48)π ≈ 56.61 units

Step-by-step explanation:

Arc length is the product of radius and intercepted arc in radians:

  s = rθ

  s = (21 5/8)(5π/6) = (18 1/48)π ≈ 56.61 . . . units

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3 years ago
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