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mars1129 [50]
3 years ago
5

2/7x-23)+5x = 18 (x-1)​

Mathematics
1 answer:
Blizzard [7]3 years ago
6 0

Answer:

x= - 35 over 89

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2

7

x−23+5x=18(x−1)

2

7

x+−23+5x=(18)(x)+(18)(−1)(Distribute)

2

7

x+−23+5x=18x+−18

(

2

7

x+5x)+(−23)=18x−18(Combine Like Terms)

37

7

x+−23=18x−1837

7

x−23=18x−18

Step 2: Subtract 18x from both sides.

37

7

x−23−18x=18x−18−18x

−89

7

x−23=−18

Step 3: Add 23 to both sides.

−89

7

x−23+23=−18+23

−89

7

x=5

Step 4: Multiply both sides by 7/(-89).

(

7

−89

)*(

−89

7

x)=(

7

−89

)*(5)

x=

−35

89

Step-by-step explanation:

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I NEED HELP FASTTT D:
Doss [256]

Answer:

12x + 15 = 12x - 15

Step-by-step explanation:

-5x - 25 = 5x + 25

-25 = 10x + 25

-50 = 10x

-5 = x

12x + 15 = 12x - 15

15 = -15  ( No solution )

12x + 15 = 3(4x + 5)

12x + 15 = 12x + 15

12x = 12x

0 = 0  ( True for all x's )

7x + 21 = 21

7x = 0

x = 0

4 0
2 years ago
Please help me out on this!
natima [27]

Answer:

a) Radius: IK

b) Diameter: JF

c) Chord: GH

d) 4 (Because IK is a radius of 2 and that doubled is 4)

Step-by-step explanation:

4 0
3 years ago
F(x) = 3x + 2 and g(x) = x + 5
hjlf

Answer:

G(f(x)) = A. 3x + 7

Step-by-step explanation:

Plug F(x) into the x on G. so (3x+2) +5 = 3x+7

5 0
2 years ago
Ice has a density of 0.92 g/cm3. What is the volume of 100 grams of ice? If the ice completely melted, what would the volume of
kicyunya [14]

Hello!

To find the volume of the water, we would need to use the density formula. The density formula is d = m/V.

In this formula, d is the density, m is the mass and V is the volume.

1. To find the volume of 100 grams of ice, we substitute the appropriate values into the formula and solve for the volume using basic algebra.

0.92g/cm³ = 100g/V (multiply both sides by V)

0.92g/cm³ · V = 100g (divide both sides by 0.92g/cm³)

V = 108.69 cm³.

The volume of 100 grams of ice is about 108.69 cm³.

2. To find the volume of the completely melted ice, we would use the same formula, but the density is now 1.00 g/mL.

1.00g/mL = 100g/V (multiply both sides by V)

1.00g/mL · V = 100g (divide both sides by 1.00g/mL)

V = 100 mL

Therefore, the volume of the melted ice is 100 mL.

<u>Final answers</u>:

  1. 108.69 g/cm³
  2. 100 mL
8 0
3 years ago
How to simplify variable expressions
motikmotik
Combine like terms, find greatest common factors, and reduce fractions
3 0
3 years ago
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