NAME
DATE
IPERIOD
,fI
,:
tioi,:
$ubififedtinglntegers
Subtracting
Integers:
','::',-'''''
To subtractan integer,add its additiveinverse.
d#ffi;;;.b , , -T -$
f l. 9- 17
$ -'1'7, =: I + (;17)
'
-- -18,
- r. 7 ' + (-S)
-, 7 , -, S = -10,
to subtract'1,7,
adtd-17,
Simplify.,
il. '4 - (-tr)
{,'- (-,5) = 4 + 5''
= I
b. .-G .,- (-Z)
- - 6- ( *2) = ' 6*2
=,- 4
To subtract
+5.
-5,,,:add
irnplify.
,Tosubtract'3,
add
-3.
Slmplify,
To subtract,-2, add,*2.
Simplify.
Enerclses
Find.each difference.
(,
1. I '-, 16
2, 7 - 1 9
S. T2
4,. -.5'- B
5. . _ 8 -9
ff. -13 - ,1?
7. 7 - (--4)
8, g - (-9)
9. -:11 - (-2)
2L
F
U'
0l
E
G'
o-
,E
o
q
t
*,
(}
$f
(5,
E
!D
F
.G
E
o
gl
.F
E
10; 'g - (-9)
11. -6 -,,4
L2,',-I.:6- (-20)
*'
()
1S'.-:L4 -'4
14.,,8; (,:6)
15,.-'10 - (-6),
{u
(5
@
,16.13 ' (-17)
LII'.24 - (,--16)
18. L7
,,-24 ...'-I
.1.9.
20" t8:,L (-9)
21, 26 - 49
2I,. -45 -- :(t26)
2i9.'15 - (-.25)
24, 29 -'(-6)
q
E
'E
(5
E
ID
sfJ
(-9)
El
,g
o,
o
()
Ghapler,2
li,T
Gileincoe:PrE-Algs b;ra
Subtr actinig' I ntegers
r r r r v .!'v r
=- ??:!r :5vr lr .it
e
EValuqte ExpresSions Useth€ nrle,forsubtract-ing
ilrgggersto evaluateexpreseionsr
g,, fi,- ,16,it *, -, ,6;
g-'u:
l;.'jru,
-,r10
Write:theexpres$ion.R6ple0e,
x,with,6,,,
To subtract16, add its additiveinverse,
-16.
Add 0 and -16.
b. c0- h -.e if,,Gr,--,7rb,=,Lr,and e = -8.
a -
b - e -
7 -
2 -
(-3)
Replaceawith
T,bwith z.andcwitfr -8.
=' 5 - (-,3)
Use,order of operations.
=,5+3
To subtract-3, add its additiVeinverse,O,
-:,,,8
Add 5 and 3.
Excrcises
' ATGEBRA Ev.aluate each expioEgion if o,,= 11; b =
-1,
tnd G = ;gr
,1..4-.-"LA
2 . b , -5
.8, LZ- c'
4.,33:;, e
5 . , C- 8 .
,6. -19' ,-'$,
7 . -5 -e
81 3-a
9 : ' , b , , -, (-1 )
10. o - (:?)
11. 6 -'bi
12. e - (-:12)
$
o
-
-:,
5
E
g
l8 .a-b,
14.a-c,
16. c' -b
16. 'b,- e
17,e-,g
18n b
19. a u ,b - e
2O;a+b-c
22. . @ ,-,i l + b
2$. b - (-a\'
c
-
I
T
I
F
--4 &
i
j
\
.Chepter',2
7
1,9
G,lencoaP re-$lgdibra