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5•(3•x+11)•3-19+5=110


Răspuns :

Răspuns:

x = - 41/45

Explicație pas cu pas:

Salut !

5•(3•x + 11)•3 - 19 + 5 = 110

(15x + 55)·3 = 110 + 19 - 5

45x + 165 = 124

45x = 124 - 165

45x = - 41

x = - 41/45

Bafta !

Răspuns:

[tex]\boxed{\bf x=-\dfrac{41}{45}}[/tex]

Explicație pas cu pas:

[tex]\bf 5\cdot (3\cdot x+11)\cdot 3-19+5=110[/tex]

[tex]\bf 5\cdot (3\cdot x+11)\cdot 3-19=110-5[/tex]

[tex]\bf 5\cdot (3\cdot x+11)\cdot 3=105+19[/tex]

[tex]\bf 5\cdot (3\cdot x+11)\cdot 3=124[/tex]

[tex]\bf 15\cdot (3\cdot x+11)=124[/tex]

[tex]\bf 45\cdot x+ 165=124[/tex]

[tex]\bf 45\cdot x=124-165[/tex]

[tex]\bf 45\cdot x=-41[/tex]

[tex]\boxed{\bf x=-\dfrac{41}{45}}[/tex]

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