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

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