Question

3a + +6 a - 19 = 1/2
full solutions Dena plz​

Answer 1

Answer:

3a+6a-19=1/2

$9a-19=\frac{1}{2}$$.$

$9a=\frac{1}{2} +19$

$a=\frac{1+38}{2*9}$

$a=39/18=\frac{13}{6}$

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Answer 2

Answer:

3a + 6a - 19 = 1/2

1/2 = 3a + 6a - 19

1/2 = 9a - 19

9a = 1/2 + 19

9a = $\frac{1 + 38}{2}$

9a = 39/2

a   = 9 × 39/2

a   = 351/2

a   = 175.2