The required number is 7
"It is a mathematical statement which consists of number (constant), variable and some mathematical operations."
"It is a mathematical statement which consists of equal symbol between two algebraic expressions."
For given question,
Let 'x' be the number such that four times the sum of the number plus 3 is equal to 8 times the number minus 16.
the first expression would be,
four times the sum of the number plus 3
⇒ 4 × (x + 3)
And the second expression would be,
8 times the number minus 16
⇒ 8x - 16
So, we get an equation.
4(x + 3) = 8x - 16
We solve above equation to find required number.
⇒ 4(x + 3) = 8x - 16
⇒ 4x + 12 = 8x - 16
⇒ 8x - 4x = 16 + 12
⇒ 4x = 28
⇒ x = 7
Therefore, the required number is 7
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