Remember you can do anything to an equation as long as you do it to both sides
(y/4)-49=-9
isolate the variable
add 49 to both sides
y/4=40
multiply both sides by 4 to clear fraction
y=160
Answer:
thanks
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Step-by-step explanation:
First - 8
second - 4
third - 12
fourth - 9
(5*180)/7=900/7=128.5714285714286
The angle is approximately 129 degrees.
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