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22 March, 20:44

One angle is five less than three times the measure of another angle together they have a sum of 143

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  1. 22 March, 20:52
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    x (angle1) + (3x-5) (angle 2) = 143 (sum of both angles).

    x+3x-5=143

    combine like terms: 4x-5=143

    add 5 to both sides: 4x=148

    divide both sides by 4: x=37

    substitute for x: angle 1=37, angle 2 = 106
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