Question

Zoe is solving the equation 3x – 4 = –10 for x. She used the addition property of equality to isolate the variable term as shown. 3x – 4 = –10 3x – 4 + 4 = –10 + 4 3x = – 6

Answer 1

3x-4 = -10

3x-4 +4 = -10 +4

3x = -6

then you can divide it :

x = -6 : 3

x= -2