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Earn +20 ptsQ: What is 5x plus 7 plus 3x equals 39?
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6-3x equals 5x-10x plus 10?
6-3x = 5x-10x+10 6-3x = -5x+10 -3x+5x = 10-6 2x = 4 x = 2
3x plus 5x equals -8 then x plus 1 equals?
If 3x + 5x = -8, what is x + 1? 3x + 5x = -8 8x = -8 x = -1 x + 1 = -1 + 1 = 0
3x plus 2 plus 2x equals 7?
3x + 2 + 2x = 7; 3x + 2x = 5x, so 5x + 2 = 7; 7-2=5, so 5x=5. 5x divided by 5 and 5 divided by 5 equals 1, so x equals 1.
3x plus 5x equals 34?
3x + 5x = 348x = 34x = 34/8x = 17/4 orx = 4.25
3x-7 equals 5x plus 13?
x=-3
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