alie33
alie33
07-12-2018
Mathematics
contestada
5(x-1)+3=7(x+1)
What is the solution?
Respuesta :
jljh0119
jljh0119
07-12-2018
5x-5+3=7x+7
-5+3-7=7x-5x
-9=2x
x=-9/2
x=-4 1/2
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