Right and solve an equation to find the number n. four times a difference of a number and seven is 12

For this case we must propose an algebraic expression associated with:

"four times a difference of a number and seven is 12"

So we have to:

Four times a difference of a number and seven is represented as:

So we have the expression is:

We apply distributive property to the terms within parentheses:

We add 28 to both sides:

We divide between 4 on both sides:

4th option is correct xy=-10

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step-by-step explanation: