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<ABC and <JKL are supplementary angles. m<ABC = 3x + 5 and m<JKL = 7x - 25. Find the measure of each angle.

  • math -

    supplementary angles add up to 180

    solve: 3x+5 + 7x-25 = 180 for x, then put that value back into each definition.

  • math -

    thanks!

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