Answer:
x = -3
Step-by-step explanation:
-4x + 2(5x - 6) = -3x - 39
-<u>4x</u> + <u>10x</u> - 12 = -3x - 39
-4x + 10x = 6x
6x - 12 = -3x - 39
<u>+3x</u><u> _ </u><u>+3x </u>
9x - 12 = -39
<u> </u><u>+ 12</u><u> </u><u>+12</u>
<u></u>
-30 = -30
30
Which function has an inverse that is also a function