Answer:
5k and -3k are like variables
constants 7 and -2 are like terms
5+2k+n is equivalent expression
Step-by-step explanation:
ALGEBRA indeed
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$1.80
54×=18
54×0.30=16.2
18-16.2=1.8
If you add them all together, you'd get 157. Then you divide by 7 and you'd get 31.4
