Find the value of x in step by step
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Answer:
As We all know sum of angle on a straight line is always 180°.
Step-by-step explanation:
(6x-40)+(5x+9)+(3x+15)=180
(6x+5x+3x)+(-40+9+15)=180
14x+(-16)=180
14x=180+16
14x=196
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