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3 years ago

What is the Answer to 3c-5=2c+5

Mathematics

2 answers:

lesya [120]3 years ago

5 0

Your answer is c = 10

goldfiish [28.3K]3 years ago

4 0

Start out with 3c-5=2c+5
add 5 to each side. now you have 3c=2c+10
now subtract 2c from each side. c=10 is your answer.

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3x + y = 19 , and x + 3y = 1. Find the value of 2x + 2y

soldi70 [24.7K]

$3x+y=19 \\
x+3y=1 \\ \\
\hbox{add the sides of the equations:} \\
3x+x+y+3y=19+1 \\
4x+4y=20 \\ \\ \hbox{divide both sides by 2:} \\
2x+2y=10$

The answer is d. 10.

6 0

4 years ago

2x-4/5=4<br> plsss answer quick

nikdorinn [45]

Answer:

Step-by-step explanation:

$\frac{2x - 4}{5} =4$

First of all multiply through by 5 to eliminate the fraction

That's

$5 \times \frac{2x - 4}{5} = 4 \times 5 \\ 2x - 4 = 20$

Next using the addition property add 4 to both sides of the equation

We have

$2x - 4 + 4 = 20 + 4 \\ 2x = 24$

<u>Divide both sides by 2</u>

$\frac{2x}{2} = \frac{24}{2}$

We have the final answer as

Hope this helps you

6 0

3 years ago

Read 2 more answers

What is 12/84 as a unit fraction

alekssr [168]

12/84=1/7
divide the numerator and denominator of 12/84 with 12

5 0

3 years ago

Read 2 more answers

a group of 31 friends gets together to play a sport. first people must be divided into teams. each team has to exactly 4 players

azamat

We have the following values:
Total people: 31
People per team: 4
The number of teams will then be:
N = (31) / (4)
N = 7.75
Round to the previous whole number.
N = 7
There are 7 teams.
Answer:
they can make about 7 teams.

3 0

4 years ago

What is the value of 5(a + b) when a=1 and b=6

lana [24]

Answer: 35

Step-by-step explanation:

We substitute a for 1 and b for 6.

5(1+6)=5(7)=35

5 0

3 years ago