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(x-9)(2+2)=(x+8)(3+10)
(x-9)4=(x+8)13
4x-36=13x+104
-36-104=13x-4x
-140=9x
-140/9=x
-15.56=x
(x-9)(2+2)=(x+8)(3+0)
2x+2x-18-18=3x+24
4x-36=3x+24
4x-3x=24+36
x=60