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Mathematics 9 Online
OpenStudy (anonymous):

2x+x+15+90=180

OpenStudy (anonymous):

x=25

OpenStudy (angela210793):

3x=75 x=25

OpenStudy (katrinakaif):

3x + 15 + 90 = 180 3x + 105 = 180 3x = 180 - 105 3x = 75 x = 25

OpenStudy (anonymous):

2x + x = 180 - 15 - 90 --> 3x = 180 - 105 --> 3x = 75 --> x = 25

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