In the problem below, which line contains an error? Circle your answer Line 1: − 5(x − 3) − 2x = 46 − 4(x + 1) Line 2: − 5x + 15 − 2x = 46 − 4x − 4 Line 3: − 3x + 15 = − 4x + 42 Line 4: x + 15 = 42 Line 5: x = 27 In which line you chose why is it wrong?
1 answer:
Answer:
Line 3 is incorrect
Step-by-step explanation:
Required
Which line is wrong and why
Line 1:
Open brackets
Line 2:
Collect like terms
Simplify:
Line 3:
According to the question, the line 3 is:
Line 3: − 3x + 15 = − 4x + 42
<em>This is incorrect because -5x - 2x = -7x; and not -5x - 2x = 3x as seen in the question </em>
<em />
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