2x/7 = 11
Multiply both sides by 7: 2x = 77
Divide both sides by 2: x = 77/2 = 38.5
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x + 2x = 33 3x = 33 3x/3 = 33/3 x = 11
meant to be e^x = 2e^1-2x
x=5.54x+1= 2x+12-1 -14x=2x+11-2x -2x2x=11/2 /2x=5.5
2x - 4 = -10 2x = -10 +4 2x = -6 x = -3
2x + 7 = 1 Therefore, 2x = -6 x = -6/2 x = -3