Identify Like Terms: Identify like terms in the expression s+5s−4s. Like terms are terms that contain the same variable raised to the same power. In this expression, s, 5s, and −4s are all like terms because they all contain the variable s raised to the first power.
Combine Like Terms: Combine the like terms by adding or subtracting their coefficients. s+5s−4s can be simplified by adding the coefficients of s: 1s+5s−4s. 1+5−4=2 So, s+5s−4s simplifies to 2s.
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