8x - 7y + 6
6x - y
2(3y + 1)(y - 2)
(7x-3y) + (2x+5y) = 9x+2y
2x = -3y + 103y = -2x + 10y = -(2/3)x + 10The graph is a straight line, with [slope = -(2/3)], passing through the point [ y=10 ] on the Y-axis.
10y= 6y+5+3y 10y=6+9y y=6
8x - 7y + 6
6x - y
a) 4x+13y=40 b) 4x+3y=-40c) multiply b per(-1)=-4x-3y-40d) sum a and c: 4x+13y-4x-3y=40-(-40)=>10y=80 => y=8to find x replace y per its value in a or b and get x=-16
2(3y + 1)(y - 2)
(7x-3y) + (2x+5y) = 9x+2y
2x = -3y + 103y = -2x + 10y = -(2/3)x + 10The graph is a straight line, with [slope = -(2/3)], passing through the point [ y=10 ] on the Y-axis.
IF 5x+3y=-9 you would subtract 5x on both sides so you would then have 3y=-5x-9 then you would divide by 3 on both sides so your answer would be y=-5/3x-3
3y +3y = 6y
2x-3y-7y+4x-5=6x-10y-5=6*10-10*4-5=60-40-5=60-45=15
3y + 4z + 12y = 3y -3y -3y ------------------------- 4z + 12y = 0 divide everything by 4 z + 3y = 0 -3y -3y z = -3y
-x+3y+6x-6y=5x-3y