You want to start by getting like terms together. This means getting all of the x's together and all of the plain numbers together. So subtract 7 from both sides so that you get 6x = -5-7 . This means 6x= -12 (because -5-7= -12 ). From there, you want to get x by itself because you are solving for x. To do this, divide both sides by 6, so you get (6x)/6= (-12)/6 is 1x= -2. Therefore, x = -2.
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6x+7 = -56x = -12x = -2
6x-4+7=-5 6x+3=-5 6x=-8 x=-8/6 = -4/3
X=7 y=5
6x+4=3x+12 => 6x-3x=12-4 => 3x=8 => x=8/3=2.666...
If: 9x+7 = 6x+25 Then: x = 6