Elimination
8x+10y=24
(−2,4)
-y=x
-7x-5y+=-20
(10,−10)
2+8
10
x/10=3/5
x=6
−76=−3b−49
b=9
6x-y=21
-5x+y=-18
(3,−3)
-4x-y=6
y=2x
(−1,−2)
173-66
107
X/4=13/2
X=26
3/4(x+1/4)=-57/16
x=-5
2x+3y=-2
4x+9y=14
(−10,6)
x=y
4x+9y+-39
(−3,−3)
15 x 3
45
3/4=21/x
x=28
2(6y+3)=18
y=1
15x-4y=-50
3x-2y=-16
(-2, 5)
-4x-7=y
-6x-2y=32
(9,−43)
3/4+ 2/8
1
2x+2/x-8=4/7
x=-23/5
13= 1/2(9x+4)
22/9
3x+3y=-9
x+3y=-19
(5,−8)
y=6x-9
2x-6y=-48
(3,9)
3 2/3 + 6 2/6
10
6/x+5=7/x-7
x=-77
−2(x+2)−x−3=8
x=-5