1 answer:
Answer:
x = 4
Step-by-step explanation:
To begin, first find Angle SUT.
Knowing that SUH is a straight line, Angle SUT plus 100 degrees should equal 180 degrees. Angle SUT is 80 degrees.
The sum of all the degrees in a triangle is also 180 degrees.
SO
(4x + 4) + (21x - 4) + 80 = 180
25x + 80 = 180
25x = 100
x = 4
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Step-by-step explanation:
Step-by-step explanation:
umm I think it's my dude .4
Answer: x={0,3}
x(x-3)=0
x=0, x-3=0
x=0, x=3
x={0,3}
