Question

can you show how to solve 7-9r-(r+12)≤25

Answer 1

7-9r-(r+12)≤25
=>\[-10r-5\le25\]\[-10r \le30\]\[10r \ge 30\]\[r \ge 3\]

Answer 2

\[7-9r-(r+12)\le25\]
\[7-9r-r-12\le25\]
\[7-10r-12\le25\]
\[-10r-5\le25\]
+5 +5
\[-10r \le30\]
/-10 /-10
\[r \ge-3\]

Answer 3

thanks
what about 2x+3<7 after applying the addition property of inequality