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Umnica [9.8K]
3 years ago
8

HELP PLEASE. Solve. 6(x+20)=168

Mathematics
2 answers:
alekssr [168]3 years ago
5 0

Answer: x=8

Step-by-step explanation: 168/6=28. x+20=28. 8+20=28.

6(8+20)=168

KiRa [710]3 years ago
4 0

Answer:

x=8

Step-by-step explanation:

6(x+20)=168

Divide each side by 6

6/6(x+20)=168/6

x+20 =28

Subtract 20 from each side

x+20-20 = 28-20

x =8

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Dimensions of rectangle are:

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Step-by-step explanation:

Perimeter of rectangle = 70 cm

Width= x

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We need to find the value of length and width of rectangle.

The formula used is:

Periemter\,\,of\,\,rectangle=2(Length+Width)

Putting values:

Periemter\,\,of\,\,rectangle=2(Length+Width)\\70=2(2x+8+x)\\70=2(3x+8)\\70=6x+16\\70-16=6x\\54=6x\\x=54/6\\x=9

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So Dimensions of rectangle are:

Length = 26 cm

Width = 9 cm

Keywords: Perimeter of rectangle

Learn more about Perimeter of rectangle at:

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Answer:

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