Which equation represents this sentence?

three less than the product of seven and a number is four more than the number.

3−7n+4=n

7n−3=n+4

7n−3+4=n

3−7n=n+4

B.

Step-by-step explanation:

Let n represent the number.

We are asked to write an equation for the given verbal phrase.

The product of seven and a number would be .

Three less than the product of seven and a number would be .

Four more than the number would be .

Equate both expressions:

Therefore, our required equation would be .

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation: