Question

X – 9 = 2(x – 3) + 12

Answer 1

1) Evaluating that expression

x – 9 = 2(x – 3) + 12​ Distributing

x-9=2x-6+12 Adding 9 and Subtracting 2x from both sides

x-2x=9-6+12 Combining like terms

-x=3+12

-x=15

x=-15

S={-15}