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Mathematics 13 Online
OpenStudy (anonymous):

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OpenStudy (nirmalnema):

x+7= (-2)4x + (-2)10 x+7=-8x - 20 8x+x=-20-7 9x=-27 x=-3

OpenStudy (solomonzelman):

x + 7 = -2(4x + 10) x + 7 = -8x - 20 x + 7 +20 = -8x - 20 + 20 x + 27 = -8x x + 27 -x = -8x -x 27=-9x x=-3 Samething, but a little more expanded.

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