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Earn +20 ptsQ: 7 x over 8 plus equals 21 what is x?
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4 over 7 plus parenthesis minus 1 over 3 parenthesis equals?
13/21 - 7/21 = 6/21 Sorry, DJ, 4 over 7 = 12/21 so answer is 5/21
What is X over 11 plus 21 equals 7?
x/11 + 21 = 7 x/11 = -14 x = -154
Is X over 11 plus 21 equals 7?
x/11 + 21 = 7 x/11 = -14 x = -154
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
3 x 7 plus y equals 21?
3 x 7 + 0 = 21
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