Question

Va rog sa ma ajutati la un exercitiu de matematica :                                                                                  {5·(5x-5)-120}·5-25=125  Aflati x!!!

Answer 1

{5x(5x-5)-120}x5=125+25=150
5x(5x-5)-120=150:5=30
5x(5x-5)=30+120=150
5x-5=150:5=30
5x=30+5=35
x=35:5
x=7

Sper ca te-am putut ajuta!!!

Answer 2

[tex]=[5*(5x-5)-120]*5-25=125 =[5*(5x-5)-120]*5=125+25 =[5*(5x-5)-120]*5=150 =5*(5x-5)-120=150:5 =5*(5x-5)-120=30 = 5*(5x-5)=30+120 =5*(5x-5)=150 5x-5=150:5 5x-5=30 5x=30+5 5x=35 x=35:5 x=7 [/tex]