What is -2a+7-3(-9-4a)

Answer 1

Multiply (-3 x -9) and (-3 x -4a)
-2a+7+27+12a
Now collect like terms
10a+34

Answer 2

-2a+7-3(-9-4a)

-2a + 7 + 27 + 12a

10a + 34