-1x=5n
Steps:
3x-4x=5n like terms
3-4=-1 add x -1x
-1x=5n not like terms
answer -1x=5n
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3x+7=4x 7=4x-3x 7=x
7-3x = -4x + 13x = 6
3x - 12 = 10x - 15 - 6x -10 3x - 12 = 4x -25 3x + 13 = 4x 13 = 4x - 3x 13 = x None?
3x+5= 4x-10+10 +103x+15= 4x-3x -3x15=X
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