Mathematics, 17.04.2021 20:20, lilytimpsonx
Renan found the sum (4.2x + 3) + (5.7x – 2) + (5 – 2.6x), as shown.
4.2x + 3 + 5.7x – 2 + 5 – 2.6x
4.2x + 5.7x + 2.6x + 3 – 2 + 5
(4.2 + 5.7 + 2.6)x + 3 – 2 + 5
12.5x + 6
What was Renan’s error in adding the expressions?
He used the commutative property incorrectly.
He used the distributive property incorrectly.
He added incorrectly.
He multiplied incorrectly.
Answers: 1
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Do you know the correct answer?
Renan found the sum (4.2x + 3) + (5.7x – 2) + (5 – 2.6x), as shown.
4.2x + 3 + 5.7x – 2 + 5 – 2.6x<...
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