kfoxlyfe
kfoxlyfe kfoxlyfe
  • 24-02-2021
  • Mathematics
contestada

X-3+7(x + 3) - 3x – 12

Can someone simplify it or expand it please I need it in like 5 mins !

Respuesta :

smokstika
smokstika smokstika
  • 24-02-2021

Answer:

5x+6

Step-by-step explanation:

x-3+7x+21-3x-12

5x+6

Answer Link
LadyStrange
LadyStrange LadyStrange
  • 24-02-2021

[tex] =\tt x - 3 + 7(x + 3) - 3x - 12[/tex]

[tex] =\tt x - 3 + 7x + 21 - 3x - 12[/tex]

[tex] =\tt 7x + x - 3x - 3 - 12 + 21[/tex]

[tex] =\tt 8x - 3x - 15 + 21[/tex]

[tex] \color{plum}=\tt\bold{ 5x + 6}[/tex]

▪︎Therefore :

[tex]\color{hotpink} =\tt x - 3 + 7(x + 3) - 3x - 12 \color{plum}=\tt\bold{ 5x + 6}[/tex]

Answer Link

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