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Goryan [66]
3 years ago
6

5x-5=75-25x , how do you do the steps of this?

Mathematics
1 answer:
AlekseyPX3 years ago
3 0

Add 5 to both sides

5x = 75 - 25x + 5

Simplify 75 - 25x + 5 to -25x + 80

5x = -25x + 80

Add 25x to both sides

5x + 25x = 80

Simplify 5x + 25x to 30x

30x = 80

Divide both sides by 30

x = 80/30

Simplify 80/30 to 8/3

x = \frac{8}{3}

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Racional porque sua raiz é igual a 7.

Step-by-step explanation:

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The answer is -3x^2+10xy+8y^2
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30 tens = ones<br> 30 tens = hundreds
Svetllana [295]

30 tens = 30 x 10 = 300

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3 hundreds = 3 x 100 = 300

3 is your answer

<em>~Rise Above the Ordinary</em>

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In San Diego the average cost of gas is $4.15 per gallon. If a car has a fuel efficiency of 24 miles per gallon and the owner of
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3 years ago
GIVEN PARALLELOGRAM ABCD, FIND THE LENGTHS AND ANGLES REQUIRED
Scrat [10]
Co-interior properties. 180 degrees = two co-interior angles.

180 = (2y+50) + (3y+40)
180 = 5y + 90
90 = 5y
/5     /5
18 = y

Angle 1: 2y + 50
              2(18) + 50
              36 + 50
              86

Angle 2: 3y + 40
              3(18) + 40
              54 + 40
              94

86 + 94 = 180 so it is true.

Now the sides.
On a parallelogram, 5x+2 and 8x-7 must be equal

5x + 2 = 8x - 7
        2 = 3x - 7
        9 = 3x
       /3    /3
        3 = x

Side 1: 5x + 2
            5(3) + 2
           15 + 2
           17

Side 2: 8x - 7
            8(3) - 7
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Both sides are equal; 17.

Angle 1: 86
Angle 2: 94
Sides: 17
6 0
3 years ago
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