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q in (-oo:+oo)
10/3-((26*q)/3) = (-7*q)/3-((1/3)*(4*q+2)) // - (-7*q)/3-((1/3)*(4*q+2))
(1/3)*(4*q+2)-((26*q)/3)-((-7*q)/3)+10/3 = 0
(1/3)*(4*q+2)+(-26/3)*q+(7/3)*q+10/3 = 0
1/3*(4*q+2)+(-26*q)/3+(7*q)/3+10/3 = 0
(1/3*3*(4*q+2))/3+(-26*q)/3+(7*q)/3+10/3 = 0
1/3*3*(4*q+2)-26*q+7*q+10 = 0
7*q-22*q+2+10 = 0
2-15*q+10 = 0
12-15*q = 0
(12-15*q)/3 = 0
(12-15*q)/3 = 0 // * 3
12-15*q = 0
12-15*q = 0 // - 12
-15*q = -12 // : -15
q = -12/(-15)
q = 4/5
q = 4/5
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