Question

Help please...

Describe the properties of equality that Kira used.

The first step is to use the
property of equality to combine the constant terms.

A. Addition.

B. Subtraction.

C. Multiplication.

D. Division.

The second step is to use the
property of equality to isolate the variable.

A. Addition.

B. Subtraction.

C. Multiplication.

D. Division.

Please make an explanation to this. . .

Answer 1

The first step is A. Subtraction

The second steep is D. Division

Explanation:

The first step was done in other to remove the constant at one end of the equality that was with the variable, it was done in order to eradicate the constant and isolate the variable to make the equation easier to solve.

The second step was done in order to remove the coefficient of the variable so as the variable to be on it's own as x alone.

These two steps were just followed in order to find the value of the variable.

Answer 2

The first step is to combine the constant terms by using the (B.) subtraction property of equality.

The second step is to use the (D.) division property of equality to isolate the variable.