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Rufina [12.5K]
3 years ago
15

What is 2(5x+7)+8x-7=27

Mathematics
2 answers:
shutvik [7]3 years ago
6 0

2(5x+7)+8x-7=27

We move all terms to the left:

2(5x+7)+8x-7-(27)=0

We add all the numbers together, and all the variables

8x+2(5x+7)-34=0

We multiply parentheses

8x+10x+14-34=0

We add all the numbers together, and all the variables

18x-20=0

We move all terms containing x to the left, all other terms to the right

18x=20

x=20/18

x=1+1/9

steposvetlana [31]3 years ago
4 0
ANSWER: 1 1/9

( use Photomath it’s helpful if you need help with math)

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Answer:

<h2><u><em>Y= 10/3 or 3.333....</em></u></h2>

Step-by-step explanation:

12y-19= 6y+1

12y-6y = 1 +19

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y = 20/6

y= 10/3 or 3.33..

 

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3 years ago
The diagram shows a square with perimeter 20 cm.
olga_2 [115]

The percentage of the area inside the square that is shaded is 55%.

<h3>What is the perimeter of the square?</h3>

Given:

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Area = 25

Area of triangle 1 = (1/2) x 5 x (5 - 3) = 5 cm²

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liraira [26]

Answer: It's B

Step-by-step explanation:

7 0
3 years ago
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4 0
3 years ago
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