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Billie solved an equation for 2. Her solution is shown below.
36+2=54
36+2-36=54+36
2=90
A Billie's solution is right because she added 36 to the right side.
B
Billie's solution is wrong because she didn't subtract 36 on both sides.
C Billie's solution is wrong because 54 + 36 is 80, not 90
D
Billie's solution is right because she subtracted 36 from the left side.