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Mathematics 8 Online
OpenStudy (anonymous):

Angle A and angle B are supplementary. Angle A measures 5x – 10 and angle B measures 10x – 5. Find the value of x.

OpenStudy (campbell_st):

supplementary angles add to 180 degrees so 5x - 10 + 10x - 5 = 180 collect like terms and its 15x - 15 = 180 now just solve for x hope it helps

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