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Earn +20 ptsQ: What is -7 plus 28?
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7 plus 7 plus 7 plus 7?
7 + 7 + 7 + 7 = 28
What is the double for 7 plus 7?
28?
What is 3n plus 7 equals 28?
n = 7. 3(7) + 7 = 28. 21+7=28
What mistake was made in this equation 3x plus 7 equals -4x plus 28 -x plus 7 equals 28 -x equals 21 x equals -21?
3x + 7 = -4x + 28 implies 7x + 7 = 28
What is two sevenths plus one fourths?
2/7 plus 1/4 is the same as 8/28+7/28 = 15/28
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