True or false concave polygon has all interior angles describe any angles less than 180 Degrees degrees??
1 answer:
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Answer:
Final answer is x=90,
Step-by-step explanation:
Given equations are:
-x-4y=37 ...(i)
-2x-4y=-53 ...(ii)
multiply (ii) by -1
2x+4y=53 ...(iii)
Add (i) and (iii)
x=90
plug value of x=90 into (i)
-x-4y=37
-90-4y=37
-4y=37+90
-4y=127
Hence final answer is x=90,