Question 251825
1. 9=-6-3b
3b = -15
b = -5
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2. 5(a-1)+3=28
5a-5 = 25
5a = 30
a = 6
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3. 3x-4 <2
3x < 6
x < 2
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4, 9(a-1)>10(a-2)
9a-9 > 10a-20
a< 11
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Cheers,
Stan H.