How do you translate "four subtracted from three times a number B" into a mathematical expression?

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How do you translate "four subtracted from three times a number B" into a mathematical expression?

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Answer 1 · 2018-05-02T12:31:19

$3 B - 4$ $3B - 4$

Explanation:

According to the order of operations, multiplication happens before subtraction (unless specified otherwise). So, first we multiply $B$ $B$ by $3$ $3$ , then subtract the $4$ $4$ afterward.

Note that a constant (a numerical number) multiplied by a variable (a letter or symbol) can be represented by writing them side by side with no operator in between.

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How do you translate "four subtracted from three times a number B" into a mathematical expression?

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