Identify Operation: Which operation should be used to isolate x?In −18.43=3.99+x, we should subtract 3.99 from both sides to isolate x.Subtract 3.99 from both sides.
Subtract 3.99: Perform the subtraction to find the value of x.−18.43−3.99=x Calculate the result of the subtraction.
Calculate x: Check the subtraction for any math errors.−18.43−3.99=−22.42 Ensure that the decimal subtraction is correct.
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