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Liula [17]
3 years ago
9

An un known or changeable quantity is known as (an)???

Mathematics
1 answer:
Jobisdone [24]3 years ago
7 0
Its called a variable
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How to solve this problem
lozanna [386]

Answer:

<em>x = 2</em>

Step-by-step explanation:

We are given the equation 3 - 4x - 2 = 2x - 11;

3 - 4x - 2 = 2x - 11,\\3 - 2 = 6x - 11,\\1 = 6x - 11,\\12 = 6x,\\\\x = 2\\Conclusion, x = 2

If you want this explanation in a " statement reasoning " format refer to the attachment below;

8 0
3 years ago
15 - 1/2 x 2 equals 14, but i dont know the steps
zloy xaker [14]
Remember PEMDAS - parentheses, exponents, multiply, divide, add, subtract

because multiply come before subtract, your first step would be 1/2 x 2 = 1

next, you subtract -> 15 - 1 = 14

14 is your answer
3 0
2 years ago
the cheerleading squad made 4 5/8 gallon of lemonade to sell at the basketball game. they sold 2 7/8 gallons. how many gallons w
andrezito [222]
4 5/8 = 37/8
2 7/8= 23/8
37/8-23/8=14/8=1 6/8=1 3/4
5 0
3 years ago
What are two subsets of real numbers that form the set of real numbers
Ulleksa [173]

Answer:

Two subsets that form set of real numbers

You can take positive numbers and negative numbers subset

One subset become (- infinity,0]

other subset (0, infinity)

4 0
3 years ago
2x-y=10 y=-4x+2 substitution method
AlladinOne [14]

Answer:

the solution is (2, -6)

Step-by-step explanation:

Substitute the second equation into the first, replacing y in the first:

2x - (-4x+2) = 10

Simplifying, we get:

2x + 4x - 2 = 10, or:

6x = 12, which yields x = 2.

Substituting 2 for x in the second equation yields y = -4(2) + 2 = 0, or y = -6

Then the solution is (2, -6).

5 0
2 years ago
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