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Alex777 [14]
3 years ago
6

Consider this equation 3x+ 1=2x-5

Mathematics
1 answer:
Otrada [13]3 years ago
3 0

Answer: x=-6

Step-by-step explanation:

Add 5 to both sides to get 2x by itself

Yes, subtract 1 from both sides to get 3x by itself so you can subtract 2x as to not get a negative x value

One common mistake would be to accidentaly adding or subtracting 1 or 5 when they are supposed to be added/subtracted. To avoid this just go back and check your awnser by plugging it in.

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4(2x+7) +3 (2x+7) but (2x+7) is equal to 2
vodomira [7]
Use the distributive property to get 8x+28+6x+21 then combine 8x and 6x and also combine 28 and 21 to get 14x+49, do u need to go further or?
6 0
3 years ago
Solve the equation 4x²+4x+1=0​
Natasha2012 [34]

Answer: x = -1/2

4x² + 4x + 1 = 0

⇔ (2x + 1)² = 0

⇒ 2x + 1 = 0

⇔ x = -1/2

Step-by-step explanation:

7 0
3 years ago
Evaluate each logarithm. Do not use a calculator. Log (125)(1/25)
svetlana [45]

Answer:

-2/3

Step-by-step explanation:

Log125(1/25)=x

Raise each side to the base of 125

125^Log125(1/25)=125^x

1/25 = 125^x

Rewrite 25 as a power of 5  and 125 as a power of 5

1 / 5^2 = 5^3^x

The if power is in the denominator, we can bring it to the numerator by making it negative

5^-2 = 5^3^x

We know that a^b^c = a^(b*c)

5^-2 = 5^(3*x)

Since the bases are the same, the exponents are the same

-2 = 3x

Divide by 3

-2/3 = 3x/3

-2/3 =x

6 0
3 years ago
1/3 cup of flour is used to make 5 dinner rolls.
Radda [10]
Divide.

1/3 / 5

Or multiply by the reciprocal of 5:

1/3 * 1/5 = 1/15

Therefore 1/15 cup of flour is used to make 1 dinner roll.

We can set up a proportion:

5/1/3 = x/5 2/3

Multiply 5 2/3 to both sides:

28 1/3 / 1/3 = x

85 = x

So 85 rolls can be made with 5 2/3 cups of flour.
3 0
3 years ago
Read 2 more answers
Mindy makes an annual salary of $24,590. What is the maximum monthly rent she could afford to pay? $553.27 $688.52 $234.99 $573.
andrezito [222]
Lets say u have 1 coconut that cost 688.52   ad another 1 that cost 234.99  
all you have to do is sale or buy an extra coconut to get 573.77  if that help dont forgot to drop  me the brainlist

3 0
3 years ago
Read 2 more answers
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