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Earn +20 ptsQ: 4x plus 6 equals 21 plus 3x?
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-3x equals -21 plus 4x?
-3x=-21+4x-3x-4x=-21+4x-4x-7x=-217x=217x/7=21/7x=3
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 4x plus 7 plus 3x equals 19 plus x?
4x plus 7 plus 3x equals 19 plus xx = 2
-3x plus 4x equals 7x?
No, that's not correct.-3x + 4x = x
What does 4x plus 5 equals 3x plus 8 equal?
4x + 5 = 3x + 84x-3x + 5 - 5 = 3x - 3x + 8 -5x = 3
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