The expression that is equivalent to 3(−4.5b − 2.1) − (6b + 0.6) is -19.5b − 6.9
How to determine the equivalent expression?
The expression is given as:
3(−4.5b − 2.1) − (6b + 0.6)
Open the brackets
3(−4.5b − 2.1) − (6b + 0.6) = -13.5b − 6.3 − 6b - 0.6
Collect the like terms
3(−4.5b − 2.1) − (6b + 0.6) = -13.5b − 6b − 6.3 - 0.6
Evaluate the like terms
3(−4.5b − 2.1) − (6b + 0.6) = -19.5b − 6.9
Hence, the expression that is equivalent to 3(−4.5b − 2.1) − (6b + 0.6) is -19.5b − 6.9
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