What is X if 2x + 4 = 36 What is X ? 2x + 4 = 36
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If X = 4 then 2X = 2 x 4, which is 8
Let x be the unit part, so the parts will be 1x, 2x, and 4x, and we'll have: x + 2x + 4x = 63 7x = 63 x = 9 2x = 2 x 9 = 18 4x = 4 x 9 = 36 Thus, we can divide 63 kg in the ratio 1: 2: 4 as 9 kg, 18 kg, and 36 kg.
x2+12x+36=0 2x+12x+36=0 14x+36=0 14x=-36 x=-36/14 x=-2 4/7
2x + x + 4 +2x = x + 20 5x + 4 = x + 20 5x - x = 20 - 4 4x = 16 x = 4
If 3X - 4 ------ = 0 1-2X-4 So 3X - 4 ----- = 0 [ x (2X-3) ] 2X-3 3X-4 = 2X-3 [ -2X ] X - 4 = -3 [ +4 ] X= 1