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(1/7)*(7*x-2) = -7/5-(8/5) // + -7/5-(8/5)
(1/7)*(7*x-2)-(-7/5)+8/5 = 0
(1/7)*(7*x-2)+7/5+8/5 = 0
1/7*(7*x-2)+7/5+8/5 = 0
(1/7*5*(7*x-2))/5+7/5+8/5 = 0
1/7*5*(7*x-2)+7+8 = 0
5*x+39/7+8 = 0
5*x+95/7 = 0
(5*x+95/7)/5 = 0
(5*x+95/7)/5 = 0 // * 5
5*x+95/7 = 0
5*x+95/7 = 0 // - 95/7
5*x = -95/7 // : 5
x = -95/7/5
x = -19/7
x = -19/7
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