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rezolvati ecuatia 5*(4x-2)+12=328 cat puteti de repede va rog mult


Răspuns :

5*(4x-2)+12=328
5*(4x+2)=328-12=316
4x-2=316÷5=63.2
4*x=63.2+2=65.2
x=65.2÷4
x=16.3
[tex]5*(4x-2)+12=328 \\ 20x-10=328-12 \\ 20x-10=316 \\ 20x=316+10 \\ 20x=326 \\ x=\frac{326}{20} \\ x=16,3[/tex]