Carly tried to solve an equation step by step.
−
4
(
7
j
+
2
)
=
10
7
j
+
2
=
−
40
Step 
1
7
j
=
−
42
Step 
2
j
=
−
6
Step 
3
−4(7j+2)
7j+2
7j
j
 
=10
=−40
=−42
=−6
 
Step 1
Step 2
Step 3
                                             
                                          
                                          
                                       