Solve the inequality.

a minus 12 less than minus 20
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Part 1
A.
a​ < negative 8
B.
a​ > negative 8
C.
a greater than or equals negative 8
D.
a less than or equals negative 8

1 answer

To solve the inequality \( a - 12 < -20 \), we start by isolating \( a \).

  1. Add \( 12 \) to both sides of the inequality: \[ a - 12 + 12 < -20 + 12 \] This simplifies to: \[ a < -8 \]

So the solution to the inequality is \( a < -8 \).

The correct choice is:

A. \( a < -8 \).