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Semmy
11 days ago
12

Kaitlyn solved the equation for x using the following calculations. Negative 5.4 + x = 12.2. Minus 5.4. x = 6.8. What error, if

any, did she make?
Mathematics
1 answer:
tester [8.8K]11 days ago
3 0
The equation that Kaitlyn worked with is -5.4 + x = 12.2. To solve it, the process is as follows: Step 1. Add 5.4 to both sides, resulting in -5.4 + x + 5.4 = 12.2 + 5.4. Step 2. The 5.4 cancels out due to the opposite signs, leading to x = 17.6. However, Kaitlyn miscalculated it as 5.4.x = 6.8. She made an error by multiplying -5.4 with x, which is incorrect; the right answer is 17.6.
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