Answer:
17
Explanation:
-t + 15 = t - 19
+t +t
--------------------
15 = 2t - 19
+19 +19
34 = 2t
---- ----
2 2
17 = t
Hope this helped.
Subtract t from both sides.
Subtract 15 from both sides.
Subtract 15 from -19 to get -34.
Combine -t and -t to get -2t.
Divide both sides by -2.
Divide -34 by -2 to get 17.
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