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mel-nik [20]
3 years ago
13

3(5x+1)-3x=2-3(3x+1)

Mathematics
2 answers:
ivann1987 [24]3 years ago
8 0

Answer:

x = − 4 \21

Step-by-step explanation:

Drupady [299]3 years ago
7 0

Answer:

x= -\frac{4}{21}

Step-by-step explanation:

Step 1- Distribute into the parenthesis.

(3)5x+(3)1-3x=2+(-3)3x+(-3)1

Step 2- Multiply.

15x+3-3x= 2-9x-3

Step 3- Add common variables.

(15x-3x)+3=(2-3)-9x

12x+3=-1-9x

Step 4- Add 9x to both sides.

12x+3= -1-9x

+9x         +9x

21x+3= -1

Step 5- Subtract 3 to both sides.

21x+3= -1

     -3   -3

21x= -4

Step 6- Divide both sides by 21.

21x= -4

21    21

x= -\frac{4}{21}

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Answer:

hey

Step-by-step explanation:

to calculate perimeter, you require length,breadth

since points are given,find distance between points using distance formulae

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______________________

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______________________

HI= root over 144+256= root 400

HI=20

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PERIMETER =2(20+5)

2×25

=50

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