nella6750 nella6750
  • 03-10-2021
  • Mathematics
contestada

Solve: 4x - 3 = 2x + 7
Solve: 2x + 6 = 7x - 14

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Аноним Аноним
  • 03-10-2021

#1

[tex]\\ \sf\longmapsto 4x-3=2x+7[/tex]

[tex]\\ \sf\longmapsto 4x-2x=7+3[/tex]

[tex]\\ \sf\longmapsto 2x=10[/tex]

[tex]\\ \sf\longmapsto x=5[/tex]

#2

[tex]\\ \sf\longmapsto 2x+6=7x-14[/tex]

[tex]\\ \sf\longmapsto 7x-2x=6+14[/tex]

[tex]\\ \sf\longmapsto 5x=20[/tex]

[tex]\\ \sf\longmapsto x=4[/tex]

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