3.(x-3)+4(x-1)=12.(x-4) ayuda es para dentro de unas horas necesito con la VERIFICACION PORFAAAA
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(X-3)+4(X-1)=12(X-4)
X-3+4X-4=12X-48
X+4X-12X=-48+4+3
-7X=-41
X=-41/-7
X=41/7