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Chapter 2: Q66. (page 102)

Translate the sentence 鈥渢wice a number t decreased by eight equals seventy鈥� into an equation.

Short Answer

Expert verified

In equation form, the sentence 鈥渢wice a number t decreased by eight equals seventy鈥� is written as2t鈭�8=70.

Step by step solution

01

Step-1. Given information.

Twice a number t decreased by eight equals seventy.

02

Step-2. General meaning of the given statement.

In the given statement t is a variable.

Now, 鈥渢wice a number t鈥� implies double the value of t or just adding t to itself, which results in 2t.

Twice a number t decreased by eight implies that the value 8 is subtracted from 2twhich results in 2t鈭�8.

03

Step-3. General meaning of equals.

In general, 鈥渆qual鈥� is used between two expressions which means both the expressions have the same values and is denoted by the symbol 鈥�=鈥�.

So, twice a number t decreased by eight equals seventy implies.

2t鈭�8=70.

Hence in equation form 鈥渢wice a number t decreased by eight equals seventy鈥� is written as 2t鈭�8=70.

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