Respuesta:
Explicación paso a paso:
4(r-2) - 5(2r-6)=8(r+1) - 3(2r+3)
4r-8-10r+30=8r+8 -6r-9
4r-10r-8+30=8r-6r+8-9
-6r+22=2r-1
-6r-2r= -1-22
-8r= - 23
r= - 23/ -8
r= 23/8
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Respuesta:
Explicación paso a paso:
4(r-2) - 5(2r-6)=8(r+1) - 3(2r+3)
4r-8-10r+30=8r+8 -6r-9
4r-10r-8+30=8r-6r+8-9
-6r+22=2r-1
-6r-2r= -1-22
-8r= - 23
r= - 23/ -8
r= 23/8