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Earn +20 ptsQ: -3x plus 4x equals 7x
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-3x equals -21 plus 4x?
-3x=-21+4x-3x-4x=-21+4x-4x-7x=-217x=217x/7=21/7x=3
How do you solve 7x plus 12 equals 3x?
7x = 3x - 12 4x=-12 x=-3
8 plus 7x equals 20 plus 3x what is x?
8+7x = 20+3x 7x-3x = 20-8 4x = 12 x = 3
What is the answer to 7x-2 equals 4x plus 9?
7x - 2 = 4x + 9 3x - 2 = 9 3x = 11 x = 11/3
What is the answer to 7x-9 equals 3x plus 5?
7x - 9 = 3x + 5 7x - 3x - 9 = 5 7x - 3x = 5 + 9 4x = 14 x = 14/4
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