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What is wrong with the expression 5a + 6 + -5(a + 2)
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What is wrong with the expression 5a + 6 + -5(a + 2)

User Goneskiing
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+ and - cannot be side by side. They should be evaluated.

5a + 6 + -5(a + 2) = 5a + 6 - 5(a + 2)

User Steve Maris
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