2 years ago

(07.03)

Mathematics

1 answer:

Mkey [24]2 years ago

7 0

x = 2

5(2 • 2 - 6) + 20

5(2x - 6 )+ 20 = 10

10x - 30 + 20 = 10

10x - 10 = 10

+10 +10

10 / 10x = 20 / 10

x = 2

You might be interested in

Writing expressions word problems

olganol [36]

The equation is:
250 - (120 ÷ x)

I hope this helps! :D

~PutarPotato

4 0

3 years ago

Read 2 more answers

HELPPPPP!!! MATH HOMEWORK. IM STUMPED.

slavikrds [6]

First: 5
Second: 8
Third: 14

Hope this helps! :)
~Zain

3 0

3 years ago

40/6 as a mixed number and in simpliest form

givi [52]

Answer is : 6 4/6
in simplest form is : 6 2/3

8 0

2 years ago

What is the multiplicative identity matrix? What is it similar to in the set of real numbers? Explain your answer

bagirrra123 [75]

Answer:

An identity matrix, is a matrix that have '1' in the main diagonal. All of the other terms are '0'. When you multiply any matrix by the identity matrix, the result is the same matrix that you multiplied.

Example:

$\left[\begin{array}{ccc}1&0&0\\0&1&0\\0&0&1\end{array}\right]$

In the set of the real number is the same that the application of identity property.

Every number multiplied by 1 es the same number.

Step-by-step explanation:

7 0

3 years ago

Describe how to combine like terms in the expression 3n + 4n -2

storchak [24]

You can combine the same numbers with the same variables using the operation sign for each. For example, using your equation, you would combine the 3n and 4n which is 7n. So your equation would be
7n - 2

5 0

3 years ago

Read 2 more answers