is this correct??? 3x-5(3x-7)=2(x+9)=45 3x-15x-35=2x+18=45 12x-35=2x+63 14x-35+63 14x+28 X=2
T Takitia New member Joined Jul 11, 2007 Messages 18 Jul 12, 2007 #1 is this correct??? 3x-5(3x-7)=2(x+9)=45 3x-15x-35=2x+18=45 12x-35=2x+63 14x-35+63 14x+28 X=2
D Deleted member 4993 Guest Jul 12, 2007 #2 Re: is this correct??? Takitia said: 3x-5(3x-7)=2(x+9)=45...the last = sign should be a + ..correct? 3x - 15x +[(-5)*(-7)] = 2x + 18 + 45 -12x + 35 = 2x + 63 35 - 63 = 2x + 12x 14x = -28 x = -2 ____________________________________________________ 3x-15x-35=2x+18=45 12x-35=2x+63 14x-35+63 14x+28 X=2 Click to expand...
Re: is this correct??? Takitia said: 3x-5(3x-7)=2(x+9)=45...the last = sign should be a + ..correct? 3x - 15x +[(-5)*(-7)] = 2x + 18 + 45 -12x + 35 = 2x + 63 35 - 63 = 2x + 12x 14x = -28 x = -2 ____________________________________________________ 3x-15x-35=2x+18=45 12x-35=2x+63 14x-35+63 14x+28 X=2 Click to expand...