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5(2x-5)=7(x+3)-19
4(x+2)=7(x+3)-19
va rog ajutatima


Răspuns :

[tex]5(2x-5)=7(x+3)-19 \\ \\ 10x-25=7x+21-19 \\ \\ 10x-7x=21-19+25 \\ \\ 3x=27 \\ \\ \boxed{x=9} \\ \\ ========================== \\ \\ 4(x+2)=7(x+3)-19 \\ \\ 4x+8=7x+21-19 \\ \\ 4x-7x=21-19-8 \\ \\ -3x=-6 \\ \\ \boxed{x=2}[/tex]