SOLUTION: (3x-10)+(x+40)=360

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Question 670209: (3x-10)+(x+40)=360
Answer by jim_thompson5910(35256) About Me  (Show Source):
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(3x-10)+(x+40)=360

3x-10+x+40=360

4x+30=360

4x=360-30

4x=330

x=(330)/(4)

x = 165/2 which in decimal form is x = 82.5