Question

Select the property of equality used to arrive at the conclusion. If x = 4, then 5x = 20

A)the multiplication property of equality

B)the division property of equality

C)the addition property of equality

D)the subtraction property of equality

Answer 1

so choice A is right sure the multiplication property of equality

hope this will help you

Answer 2

The property used "Multiplication property of equality"

A is correct

Explanation:

Given: If x = 4, then 5x = 20

We are given an equation x=4

We need to make 5x=20

The coefficient of x in first equation is 1 but in second equation is 5.

So, If we multiply both sides by 5 in x=4 equation

`x=4`

Multiplication property of equality

`5\cdot x=5\cdot 4`

`5x=20`

Hence, The property used "Multiplication property of equality"