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Earn +20 ptsQ: Which property does 21 plus 18 equals 18 plus 21?
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Continue Learning about Math & Arithmetic
What is the property of 21 plus 0 equals 21?
identity
What is the answer to 7y plus 18 equals 39?
7y + 18 = 39 Therefore, 7y = 39 - 18 = 21 y = 21/7 y = 3
Find y 6y-21-4y plus 24 equals 21-3y?
y = 3.6 (18/5)
How do i solve 3 plus 4m plus 5m equals 21?
3+4m+5m=214m+5m=21-39m=18m=18/9m=2
What is 21 plus 21 plus 19 plus 19 equals what?
21+21+19+19=80
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