elopezsa4641 elopezsa4641
  • 11-02-2022
  • Mathematics
contestada

2(5x - 7) = 8x + 15

one solution

b
no solution

c
infinite many solutions

Respuesta :

Аноним Аноним
  • 11-02-2022

infinite many solutions

[tex] \sf \: 2(5x - 7) = 8x + 15[/tex]

[tex] \: \: [/tex]

[tex] \sf 10x - 14 = 8x + 15[/tex]

[tex] \: \: [/tex]

[tex] \sf \: 10x - 8x = 15 + 7[/tex]

[tex] \: \: [/tex]

[tex] \sf \: 2x = 8[/tex]

[tex] \: \: [/tex]

[tex] \sf \: x = \cancel\frac{8}{2} [/tex]

[tex] \: \: \: [/tex]

[tex] \boxed{\sf \: x = 4}[/tex]

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