Solve for x. 3x + 4x - 7 = 21
3x + 4x - 7 = 21 7x = 21 + 7 7x = 28 x = 28/7 x = 4
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Updated 11/19/2014 10:26:05 AM
Edited by andrewpallarca [11/19/2014 10:26:05 AM], Confirmed by andrewpallarca [11/19/2014 10:26:05 AM]
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Solve for x. 4(2x - 7) = 36
Weegy: 4(2x - 7) = 36 8x - 28 = 36; 8x = 36 + 28; 8x = 64; x = 64/8; x = 8 (More)
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Updated 11/19/2014 10:24:19 AM
Solve for x. 85 = -6x + 7 + 4x A. 78 B. 39 C. -39 D. -78
Weegy: 85 = -6x + 7 + 4x; 85 = -2x + 7; 2x = 7 - 85; 2x = -78; x = -78/2; x = -39 (More)
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Updated 11/19/2014 10:25:46 AM
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