Question

A student is asked to solve the equation below and to justify her/his steps. Identify what, if anything, is incorrect in her/his math or justification.

x + 4 = –8


Step

Justification

x + 4 = –8

Given

x + 4 + (–4) = –8 + (–4)

Addition property of equality

x = –4

   ​

Answer 1

Answer:X=-12

Explanation:X+4+(-4)=-8+(-4)

=X+4-4=-8-4

X+0=-12

X=-12