Mathematics, 04.04.2020 18:14 leethiel1

Maura writes an expression equivalent to 8a - (-3 - 5a) - 2a. Her work is in the picture. In what step does Maura make a mistake? Describe her error and find the correct equivalent expression.

* 8a - (-3 - 5a) -2a *

Step 1: 8a + 3 - 5a - 2a
Step 2: (8a - 5a - 2a) + 3
Step 3: (3a - 2a) + 3
Step 4: a + 3

Answers: 1

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Maura writes an expression equivalent to 8a - (-3 - 5a) - 2a. Her work is in the picture. In what st...