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3 years ago

Twice a certain number minus 7 is equal to 5. What is the number.

Mathematics

2 answers:

Mandarinka [93]3 years ago

8 0

Answer:

Step-by-step explanation:

2x-7=5

2x=12

x=6

x=the varible that represents the number

zepelin [54]3 years ago

6 0

Answer:

Step-by-step explanation:

Let the number be x.

2x - 7 = 5

Add 7 to both sides.

2x = 5 + 7

2x = 12

Divide 2 into both sides.

x = 12/2

x = 6

The number is 6.

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Leona [35]

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Step-by-step explanation:

Given

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kirill [66]

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mina [271]

"Table World" is quoting a better price

<u>Step-by-step explanation:</u>

The shop "Table World" is quoting a price of 140 inclusive of 17.5% VAT

that means 140 is the final price a customer needs to pay.

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