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Earn +20 ptsQ: What is -21 plus 15?
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What is 25 plus 15 plus 21 plus 10 plus 11?
25 + 15 + 21 + 10 + 11 = 82
3(2 plus q) plus 15?
2q + 21.
4x plus 6 equals 21 plus 3x?
x = 15 as 4*15+6 = 66 3*15+21 = 66 or an easier way to do it 4x - 3x = 1x 21 - 6 = 15 1x = 15
What is negative 21 plus 36?
15
What is x plus 21 equals 36?
x + 21 = 36Subtract 21 from each side:x = 15
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