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Earn +20 ptsQ: What is the answer to 3x plus 7 equals 4x?
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How do you solve 3X plus 7 equals 4X?
3x+7=4x-73x=(-)7+4x-4x(-)1x=(-)7________(-)1x=7add (-3x) to each side of equation3x +7 = 4x-3x +3x +7 = 4x -3x0 +7= 1x7=x
7-3x equals -4x 13?
7-3x = -4x + 13x = 6
-3x - 8 plus 6x equals 7?
3x - 8 = 7 so x = 5
10x plus 4 equals 3x plus 7?
7x = 3 x = 3/7
2x plus 5 equals 7-4x?
2x + 5 = 7 - 4x ie 2x + 4x = 7 - 5 ie 6x = 2 x = one third.
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