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tester [92]
3 years ago
10

An equation is shown below:

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
7 0

Original Equation.

5(2x - 8) + 15 = -15

First do what is in the parenthesis.

2 x 1 = 2

2 - 8 = -6

5(-6) + 15 = -15

Multiply 5 x -6 to get -30

-30 + 15 = -15

add 15 + -30 to get -15

-15

x = 1

Hope This Helps!

Can I get Brainliest?

DanielleElmas [232]3 years ago
5 0
X is 1.

first, you distribute the 5 into the parentheses.
 5(2x-8)+15=-15 becomes 10x-40+15=-15

then you calculate the sum
10x-40+15=-15 becomes 10x-25=-15

after that you move the constant to the right of the equal sign and change the sign (ex negative becomes positive number)
10x-25=-15 becomes 10x=-15+25

next, you add the constants
10x=-15+25 becomes 10x=10

lastly, you divide the numbers.
10x=10 becomes 1

so x=1



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\boxed{\bf \:  \cfrac{13}{5}}

<u>Or in Decimal:</u>

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This arithmetic expression may be rewritten as ;

\sf  =  \cfrac{26}{100}  \times 10

Step 1 : <u>Cancel the zero of 10 and one zero of 100</u> :-

\sf  =  \cfrac{26}{10 \cancel0}  \times 1 \cancel0

<em>Results to;</em>

\sf  =  \:  \cfrac{26}{10}  \times 1

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Step 2: <u>Cancel 26 and 10</u><u> </u><u>by 2</u> :-

\sf  =  \cfrac{ \cancel{26}}{ \cancel{10}}

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<em>It can also be in Decimal.</em>

That is;

\sf = 2.6

Hence, the answer of the expression would be 13/5 or 2.6 .

\rule{225pt}{2pt}

I hope this helps!

Let me know if you have any questions.

I am joyous to help!

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