Solving the equation 6x + 2(x − 1) = 30
Given: 6x + 2(x − 1) = 30
Step 1: 6x + 2x − 2 = 30
Step 2: 8x − 2 = 30
Step 3: 8x − 2 + 2 = 30 + 2
Step 4: 8x8
= 328
Step 5: x = 4
Identify the property that justifies Step 1 when solving the given equation.
Responses
A Distributive Property
B Substitution Property
C Symmetric Property
D Multiplication Property
Identify the property that justifies Step 3 when solving the given equation.
Responses
A Reflexive Property
B Addition Property
C Substitution Property
D Multiplication Property