Ling tried to solve an equation step by step.
−
2
�
+
11
=
−
32
−
2
�
=
−
43
Step
1
�
=
21.5
Step
2
−2q+11
−2q
q
=−32
=−43
=21.5
Step 1
Step 2
Find Ling's mistake.
Choose 1 answer:
Choose 1 answer:
(Choice A)
Step
1
Step 1start color #28ae7b, start text, S, t, e, p, space, end text, 1, end color #28ae7b
A
Step
1
Step 1start color #28ae7b, start text, S, t, e, p, space, end text, 1, end color #28ae7b
(Choice B)
Step
2
Step 2start color #6495ed, start text, S, t, e, p, space, end text, 2, end color #6495ed
B
Step
2
Step 2start color #6495ed, start text, S, t, e, p, space, end text, 2, end color #6495ed
(Choice C) Ling did not make a mistake.
C
Ling did not make a mistake.
