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Fynjy0 [20]
3 years ago
10

Solve this equation. 2/3x−1/5x=x−1

Mathematics
2 answers:
sergejj [24]3 years ago
7 0

Answer:

1,875

Step-by-step explanation:

\frac{2}{3}x-\frac{1}{5}x=x-1\\\\=> \frac{2.5}{15}x-\frac{3}{15}x=x-1    \\\\=> \frac{2.5-3}{15}x=x-1\\\\=> \frac{10-3}{15}x=x-1\\\\\frac{7}{15}x=x-1\\\\=> 7 x=15(x-1)\\\\ 7x=15x-15\\\\ 8x=15\\\\ x =\frac{15}{8}=1,875

KonstantinChe [14]3 years ago
6 0

Answer:

 =  1  7/8

Step-by-step explanation:

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3 years ago
∠1 ​ and ∠2 are supplementary. ∠1=124°∠2=(2x+4)° Select from the drop down menu to correctly answer the question.
Alex_Xolod [135]
Remark
Supplementary angles add up to 180o. 

Givens
<1 = 124
<2 = 2x + 4

I imagine you are looking for either x or <2. 

Equation
<1 + <2 = 180          Substitute the givens
124 + 2x + 4 = 180  Collect like terms on the left.
128 + 2x = 180         Subtract 128 from both sides
2x = 180 - 128          Collect like terms on the right   
2x = 52                     divide by 2
x = 52/2
x = 26 <<<<<<<<< answer

<1 = 124
<2 = 2x + 4 = 2*26 + 4
<2 = 52 + 4
<2 = 56  <<<<<<<< answer

We need choices if you want an exact answer.

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3 years ago
Enter a number that correctly completes the following statement
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17 Units away from the origin? Moving (12,5) left 12 times, then down 5
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You invest $350 in an account with an interest rate of 1.2% compounded continuously. How much money would be in the account afte
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A certain kind of bacteria multiplies at a rate of 150 percent per hour. When a person’s blood has 45,000,000 of these bacteria,
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Using the values in above equation, we can write:

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This means, the person will fall sick after about 14 hours.
8 0
3 years ago
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