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pychu [463]
3 years ago
5

5-2(x+5)=3x-15 solve for X

Mathematics
2 answers:
Maslowich3 years ago
8 0

Answer:

x= 2

Step-by-step explanation:

5 -2(x +5)= 3x -15

Expand:

5 -2x -2(5)= 3x -15

5 -2x -10= 3x -15

Simplify:

-2x -5= 3x -15

Bring x terms to 1 side, constant to the other:

3x +2x= 15 -5

5x= 10

Divide both sides by 5:

x= 10 ÷5

x= 2

Jobisdone [24]3 years ago
4 0

Answer:

Step-by-step explanation:

x=2

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ASAP<br> 3(– 2а - 4) + За
Irina-Kira [14]

Answer:

3a -12

Step-by-step explanation:

3(– 2а - 4) + За  →  -6a - 12 + 3a  →  -3a -12

3 0
3 years ago
Please help me out guys
Margarita [4]
The answer is the last choice. (a, b), in this question, means the domain or range is from a to b, exclusive. When you use ∞, you would always use the exclusive.
4 0
3 years ago
If students sit 3 per bench, we are short 3 benches. If they sit 5 per bench,
Ksivusya [100]

An expression is defined as a set of numbers, variables, and mathematical operations. There are a total of 10 benches in the class.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

Let the total number of benches be represented by x. If students sit 3 per bench, we are short 3 benches. Therefore, the total number of students can be written as,

Total number of students = 3x + 9

If they sit 5 per bench, 2 benches are left empty, and one bench only has 4 students.

Total number of students = 5(x-1) - 10 +4

Now, the total number of students can be written as,

3x + 9 = 5(x-1) - 10 +4

3x + 9 = 5x - 11

20 = 2x

x = 10

Hence, there are a total of 10 benches in the class.

Learn more about Expression:

brainly.com/question/13947055

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8 0
2 years ago
The school wants to order a new countertop for the teacher’s lounge. The shape of the countertop that they are replacing is show
mafiozo [28]

Answer:

$1,500

Step-by-step explanation:

70*20 is 1,400, and 20*30 is 600. Those together make 2,000 sq. in. Multiply that by 0.75 and you get $1,500. Hope this helps!

4 0
3 years ago
Read 2 more answers
(36.97*100-x)*100 = ???
inna [77]
The answer to X is = 369700
7 0
2 years ago
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