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-2(x-3)+6(y+4)=3(x+1)-(y+4)
-3x+3y+16x+8y=3x+6y-5x-5y
-2x+6+6y+24=3x+3-y-4
15x=-10y
-5x+7y=-31|*3
15x=-10y
-15x+21y=-93
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11y=-93
y=-8⁵/₁₁
15x=-10*(-8⁵/₁₁)
15x=84⁶/₁₁
x=5⁷/₁₁