If: 2x = -2
Then: x = -1 by dividing both sides by 2
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If: 2x-1 = 2Then: 2x = 2+1And: 2x = 3So: x = 3/2 = 1.5 or 1 and a 1/2
2x+3 = 7 2x = 7-3 2x = 4 x = 2
2x + 1 = 9 2x = 9 - 1 2x = 8 2x/2 = 8/2 x=4
If we assume that it equals zero and you wish to solve for x, then the answer is:-x2 + 2x - 3 = 0x2 - 2x + 3 = 0x2 -2x + 1 = -2(x - 1)2 = -2x - 1 = ± √(-2)x = 1 ± i√2
2x - 8 = 10 2x = 10 + 8 2x = 18 x = 18 / 2 x = 9