HELP PLS ASAP
Kira solved the equation in the following way.
7/2 − 2x = 11/2
7/2 − 7/2 − 2x = 11/2 − 7/2
−2x ÷ −2 = 4/2 ÷ − 2
x = −1
Describe the properties of equality that Kira used.
The first step is to use the _______ property of equality to combine the constant terms.
1.addition
2.subtraction
3.multiplication
4.division
The second step is to use the _______ property of equality to isolate the variable.
1.addition
2.subtraction
3.multiplication
4.division