Oh all right, number 1
YOU SAY B ?
1. –9x – 5 = –95
a) 17
b) 11 <---------------
c) 10
d) –10
===let me see ===========
- 9 x - 5 = - 95
add 5 to both sides
- 9 x = - 90
multiply both sides by -1
9 x = 90
divide both sides by 9
x = 10
which is not 11
1. –9x – 5 = –95
a) 17
b) 11 <----------------------------
c) 10
d) –10
2. x/4 – 5 = –8
a) –27
b) –12 <---------------------------
c) –7
d) 12
3. x/5 + 6 = 10
a) 44
b) 30 <-----------------------------
c) 20
d) –20
4. –2(m – 30) = –6m
a) –15 <--------------------------
b) –13
c) –8
d) 8
5. 3.75x + 3.7 = 1.7 + 1.75x
a) 10 <----------------------
b) –1
c) 1
d) .1
6. –4 – 5(x + 8)
a) –5x – 44 <----------------------
b) –5x + 36
c) –x – 8
d) –20x + 8
7. 3x + 4(x – 6) – 3(x – 7)
a) 4x – 45
b) 4x – 3
c) 10x – 3
d) 10x + 45 <----------------------
8. p + 4 < –24
a) p < –20
b) p < 28 <---------------------
c) p < –28
d) p < 20
9. r/15 ≥ –3
a) r ≥ –45 <------------------------
b) r ≥ –15
c) r ≥ 12
d) r ≥ 45
10. –3p > –48
a) p < 16
b) p > –51
c) p < –16 <------------------------
d) p > 16
2 answers
Now #10
10. –3p > –48
a) p < 16
b) p > –51
c) p < –16 <------------
d) p > 16
======================
–3p > –48 divide both sides by -3. When you multiply or divide by a negative, REVERSE the arrow
p < 16
WHICH IS A
I do not have time to look at all of them, but please pay more attention to what you are doing.
10. –3p > –48
a) p < 16
b) p > –51
c) p < –16 <------------
d) p > 16
======================
–3p > –48 divide both sides by -3. When you multiply or divide by a negative, REVERSE the arrow
p < 16
WHICH IS A
I do not have time to look at all of them, but please pay more attention to what you are doing.