Linear Equation in One Variable

What property of equality is being shown for the following statement?

"If a = b and b = 10, then a = 10"

• Reflexive

• Symmetric

• Transitive

• Substitution

What property of equality is being shown for the following statement?

"If x + y = 12 and y = 7, then x + 7 = 12"

• Reflexive

• Symmetric

• Transitive

• Substitution

What property of equality is being shown for the following statement?

"If c + d = -9, then -9 = c + d".

• Reflexive

• Symmetric

• Transitive

• Substituion

What is the first step in solving for the following equation?

2x - 4 = 10

• Apply substitution property of equality.

• Apply addition property of equality.

• Apply multiplication property of equality.

• Apply division property of equality.

What property of equality is being applied for the following statement?

2x - 4 = 10

2x - 4 + 4 = 10 + 4

• Transitive

• Substitution

• Addition

• Multiplication

• Addition

• Subtraction

• Multiplication

• Division

Solve the equation 2x - 5 = 21.

• 13

• 8

• -13

• -8

Solve the equation 5y - 3 = 12.

• 3

• -3

• 4

• 2

It is called as the distance of a number from 0 in a number line.

• measurement

• absolute value

• equation

• positive integer

• 12

• -4

• 4

• -12