Answer:
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Step-by-step explanation:
156
26=20+6
(20×6) + (6×6)
=120+36
=156
true
RS + ST = RT
23 - 2x + 9x - 5 = 39
18 + 7x = 39
7x = 39 - 18 = 21
x= 21/7
x = 3
RS = 23 - 2x (given)
RS = 23 - 2(3)
= 23 - 6
RS = 17
