jjwoissol
contestada

Choose the justification for the step below.
21+7x= 14
7x= -7
a) additive property of equality
b) multiplication/division property of equality
c) distribution
d) none of these

Respuesta :

hello8016

Answer:

a) additive property of equality

Step-by-step explanation:

You canceled the addition of 21 to help simplify the equation.

Pls mark brainliest!