# equations & inequalities

1.simplify this expression 4p+9+(-7p)+2=?
a.3p+11
b.3p+7
{c.-3p+11}
d.11p+11

2.solve this equation 4y+228=352
a.y=-31
{b.y=31}
c.y=145
d.y=3

3.solve this inequality 3p-16<20
a. p<1/3
b. p<1 1/3
c. p<12
d. p<-12

4.solve this inequality 3b-7<32
a. b<5
b. b<8.33
c. b<39
d. b<13

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2. 👎
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1. 1. 4p + 9 -7p + 2
-3p + 11
Ok
2. 4y + 228 = 352
4y = 124
y = 31
Ok
3. 3p-16 < 20
3p -16 +16 <20+16
3p < 36
p < 12
Ans. C

4. 3b -7 <32
3b < 39
b < 13
Ans. d

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2. 👎
2. J/4-8 <4
Can you show me how to shove this problem? Please.

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2. 👎

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