Meagan is taking piano gymnastics lessons.She has a piano lesson every 7 days and gymnastics lessons.She every 3 days.How obtene
1 answer:
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Sum means addition
negative 18 means -18
a number can be x
Sum of negative 18 and x should be 11
thus the equation is
negative 18 means -18
a number can be x
Sum of negative 18 and x should be 11
thus the equation is