By applying the distributive property, we should have 6x - 2x + 10 = 22 in line 2. Line 2 has an error aside line 1.
What is the Distributiive Property?
To apply the distributive property, all the terms within the bracket are each multiplied by the term outside the bracket.
In the problem shown above, aside from line 1, line 2 also contains an error. This is because, applying the distributive property, we should have:
6x - 2(x) -2(-5) = 22
6x - 2x + 10 = 22
It should be +10 not -10 in line 2. Line 2 has an error.
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