Q: If 3a equals 1 what is the value of a?

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12

12+1.5a = 3a 12 = 3a-1.5a 12 = 1.5a Divide both sides by 1.5 to find the value of a: a = 8

3a + 2b = (3*6) + (2*5) = 18 + 10 = 283a+2b= (3x6)+(2x5)= 18+10=28

If 3a+5=5a+3, then: 3a+5 - 3a = 5a+3 - 3a 5=2a+3 5 - 3=2a+3 - 3 2=2a a=1

-3a-12 = 12+12 +12-3a = +12~ ~-3 -3a = -8

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If a + b = 6, what is the value of 3a + 3b?

3a-9 = 6 3a = 6+9 3a = 15 a = 15/3 a = 5 Substitute a = 5 into 4a-1. 4a-1 =4(5)-1 =20-1 =19 Therefore, the value of 4a-1 is 19.

12

3a = 1a = 1/3 (a third)

The value of a is -7

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If: -3a-1 = -15 Then: a = 4 and 2/3

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a = 14/3

1/3=a

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