-3
4x+7-3x = 15 4x-3x = 15-7 x = 8
4x-7=24x=9 x=9/4
5+4x-7 = 4x+3-x 4x-2 = 3x+3 4x-3x = 3+2 x = 5
4x - 7y = 12-7y = -4x + 12y = (4/7)x - (12/7)======================4x - 7y = 124x = 7y + 12x = (7/4)x + 3
-3
3x = 7 - 4x 3x + 4x = 7 - 4x + 4x 7x = 7 7x/7 = 7/7 x = 1
y= -4x-7 y=3x 3x= -4x-7 3x+4x=7 7x=7 x=1
4x+7-3x = 15 4x-3x = 15-7 x = 8
4x-7=24x=9 x=9/4
Divide 28 by 4. X = 7
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
5+4x-7 = 4x+3-x 4x-2 = 3x+3 4x-3x = 3+2 x = 5
4x + 3y = 7 y = [(-4)/3] x + 7/3
4x - 3 - 5x + 7 = 6 4x - 5x = 3 - 7 + 6 -1x = 2 x = -2
4x - 7y = 12-7y = -4x + 12y = (4/7)x - (12/7)======================4x - 7y = 124x = 7y + 12x = (7/4)x + 3
4x-1 = 6x-15 4x-6x = 1-15 -2x = -14 x = 7