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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