Systems of Equations
solve the following systems using the eomparison method.
1.
a)
!=3x-5
b)
!=5x-B
d)
!
= A.4x +3.25
a)
e)
b)
7x+6y=)g
d)
x-2y+5=0
3x-2y-4=0
e)
6he
D
h)
2x +31t =
)J
5y-3x=4
y- -3x+5
v- -3+5x
c)
r.r=?r'-1
3x+y+8=0
0
a
! =1-3x
2x
-f
substitution rarethod.
J'"
x =2y +7
J.
2
y=-x*1
y=-5x+30
x=3y-6
s)
!=6x-9
y =1.5x + 5
"1
)t=4x-7
following systems using
x=5-3y
c)
!=x+10
y=1.2x-5.5
soEve the
!=-4x+5
{
/av --L-f
J
+
2x-3y-6=0
i)
+3y: t0
-5r+ !=-3
3x -By = )Q
tj li rrr i l,criior-t
Solve each systerm alsixrg tire esqle.riscm c&ethod.
a)
-3x +2y = 5
4x-y=l$
d)
x-2y=-Q
x+y--7
b)
3x-4y=l
6x +3y
: lf
c)
5x+2y
=)
3x-4y=-56
.lrnc ausl9
"
Systems of Eguations
\,
1.
Solve the following systems using the comparison method.
a)
!=3x-5
b)
(1,$,-o,s)
(-r,t)
!=0.4x+3.25 e)
!=6x-9
i)
Y-'-1.2x-5.5
(w,q,7.b)
, ' .
\
2.
!=1.5x+5
y=?x+7
3
(1,r,-2,.)
0
!=4x-7
(ir-:)
\') ')
y=-3x+5
!=-3+5x
(l zlI
Solve the following systems using the.ssbsti+n+ion method.
onv
a)
d)
g)
x=5*3y
7x+6y=)g
{a,l}
x-2y+i=0
b)
e)
2x+3y=)5
y=-5x+30
(r,a)
5y-3x:'4
x=3y-6e3,1\
!=x-z (a5)
3x-2y-4=0
x=2y+7
y=7-3x
Zx+3y:lg
(-
3.
c)
y=r+10
!=5x-8
d)
!=-4x+5
h)
c)
!=2x-3
3x+y+8=0
f)
(-lr
:
t,=]x++
- s)
2x-3y-6=0 tr6r*U)
i)
-5x+
!=-3
3x-By=)4,
t.S,-'l.zs) (;u)
i, -)
Solve each system using the cemparison method.
A-l-t^i nai,'ca..,
a)
d)
b)
-3x+2y=5
x-y=lQ (Srtil
2y=-4
x+Y=-7
?v,-)
3x-4y:l
6x+3y:13
(t.t",
i)
c)
5x+2y=2
3x-4y=-56
r\'
ril.\