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((2-7*x)^1)/3 = ((3*x+4)^1)/3 // - ((3*x+4)^1)/3
((2-7*x)^1)/3-(((3*x+4)^1)/3) = 0
(2-7*x)/3-((3*x+4)/3) = 0
(2-7*x)/3+(-1*(3*x+4))/3 = 0
2-1*(3*x+4)-7*x = 0
-10*x-2 = 0
(-10*x-2)/3 = 0
(-10*x-2)/3 = 0 // * 3
-10*x-2 = 0
-10*x-2 = 0 // + 2
-10*x = 2 // : -10
x = 2/(-10)
x = -1/5
x = -1/5
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