3x+7=4x
-7
3x=(-)7+4x
-4x
(-)1x=(-)7
________
(-)1
x=7
add (-3x) to each side of equation
3x +7 = 4x
-3x +3x +7 = 4x -3x
0 +7= 1x
7=x
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3x+7=4x 7=4x-3x 7=x
3x+5= 4x-10+10 +103x+15= 4x-3x -3x15=X
The given equation: =3x-4x plus 9xy-12y =3x-4x+9xy-12y =-x+9xy-12y =-x+3y(3y-4) Answer.
3x - 12 = 10x - 15 - 6x -10 3x - 12 = 4x -25 3x + 13 = 4x 13 = 4x - 3x 13 = x None?
-3x-8+4x=17(-3x+4x)-8=17 ;combine like terms(x)-8=17 ;add 8 to both sidesx=25