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melomori [17]
3 years ago
10

Solve the equation -3+1+10x=x+4 hurry homies

Mathematics
2 answers:
ddd [48]3 years ago
7 0

Answer:

x = 2/3

Step-by-step explanation:

combine -3 and 1.  We get -2 there, and now have:

-2 + 10x = x + 4.

Combining the x terms, we get 9x = 6, so that x = 6/9, or x = 2/3

Semenov [28]3 years ago
3 0

Answer:

The value of x is \frac{2}{3}

Step-by-step explanation:

To solve equations an effective method consists of:

  • Group the terms with a variable on one side of equality, usually the first member, and the independent ones (without being accompanied by the variable) on the other side.
  • Operate whenever possible to simplify the expression. This implies eliminating parentheses and denominators if any.
  • Isolate the unknown or variable.

To pass elements from one side of equality to the other, it must be taken into account that:

  • If they are adding or subtracting they go to the other side with the opposite sign.
  • If they are multiplying they pass dividing and vice versa, but the sign does not change when changing sides.

Applied as mentioned above in the given equation:

-3+1+10*x=x+4

10*x-x=4+3-1

(10-1)*x=6

9*x=6

x=\frac{6}{9}

The simplification of a fraction consists in transforming it into a simpler equivalent fraction.

In the simplification of fractions, numerator and denominator are divided by the same number. In this case it is divided by 3 and you get:

x=\frac{6}{9} =\frac{\frac{6}{3} }{\frac{9}{3} } =\frac{2}{3}

Finally <u><em>the value of x is \frac{2}{3}</em></u>

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Complete Question

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We have that  probability that a person in this population is a teenager and probability of selecting a participant who is at least 20 years old is

From the question we are told

A hypothetical population consists of eight individuals ages 13, 14, 17, 20, 21, 22, 24, & 30 years.

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b)

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