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MrMuchimi
2 years ago
14

Solve for x 6x - 21 = 3x + 12

Mathematics
1 answer:
Ber [7]2 years ago
6 0

Answer:

x = 11

Step-by-step explanation:

6x - 21 = 3x + 12

6x - 3x = 21 + 12

3x = 33

x = 33/3

x = 11

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Answer:

6X3 or 9X2 asdfghjkl

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Need help ASAP!
Sav [38]
Simplifying
5y + -2 = 4y + 7

Reorder the terms:
-2 + 5y = 4y + 7

Reorder the terms:
-2 + 5y = 7 + 4y

Solving
-2 + 5y = 7 + 4y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-4y' to each side of the equation.
-2 + 5y + -4y = 7 + 4y + -4y

Combine like terms: 5y + -4y = 1y
-2 + 1y = 7 + 4y + -4y

Combine like terms: 4y + -4y = 0
-2 + 1y = 7 + 0
-2 + 1y = 7

Add '2' to each side of the equation.
-2 + 2 + 1y = 7 + 2

Combine like terms: -2 + 2 = 0
0 + 1y = 7 + 2
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Divide each side by '1'.
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Simplifying
y = 9
6 0
4 years ago
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Find the additive inverse of 1/6÷(-2)+3/2​
kogti [31]

Answer: fgtteev

Step-by-step explanation:

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4 0
2 years ago
A sequence can be defined by the explicit formula <img src="https://tex.z-dn.net/?f=a_n%3D5-3_n" id="TexFormula1" title="a_n=5-3
astra-53 [7]
<h2>Answer:</h2>

Option: C is the correct answer.

            C.  a_n=a_{n-1}-3\ ;\ a_1=2

<h2>Step-by-step explanation:</h2>

The sequence is given by the explicit formula as:

a_n=5-3n

where a_n is the nth term of the sequence.

Also, the first term of the sequence is: a_1

i.e.

a_1=5-3\times 1\\\\i.e.\\\\a_1=5-3\\\\i.e.\\\\a_1=2

Also,

a_n=5-3n\\\\i.e.\\\\a_n=5-3n+3-3\\\\i.e.\\\\a_n=5-3(n-1)-3\\\\i.e.\\\\a_n=a_{n-1}-3

   Hence, the recursive formula which represents the same sequence is:

                          Option: C

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3 years ago
Let n be the product of the two smallest 3-digit prime numbers. Find the sum of the digits of n.
lilavasa [31]

Answer:

Step-by-step explanation:

n = 101 × 103 = 10,403

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