barbaraalamop93yhn
barbaraalamop93yhn
22-05-2018
Mathematics
contestada
3x+4[2x-3(x+1)-20x]=25x+100
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DatOneNOnlyAsian
DatOneNOnlyAsian
22-05-2018
Simplify:
3x + 4[2x -3x -3 -20x] = 25x +100
3x + 4(-21x -3) = 25x + 100
3x - 84x -12 = 25x + 100
-81x -12 = 25x + 100
Add 12 and Subtract 25x from each side
-106x = 112
X = -112/106
X = -56/53
^^^^^^^^^^
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