Answer:
u=-5
Step-by-step explanation:
Put all like terms on one side:
3u-6u=19-4
Simplify:
-3u=15
<em>~Stay golden~ :)</em>
-5
3u+4=6u+19
-3u -3u
4=3u+19
-19 -19
-15=3u
÷3 ÷3
-5=u or u=-5
119°
if sum of two angles=180,then they are supplementary.
61+x=180
x=180-61=119
459
340+119=459
7.1
:)
