arrletbriseno2003 arrletbriseno2003
  • 13-09-2020
  • Mathematics
contestada


Solve the equation 3(m + 5) = 3 + 3(2m + 2) for m.

Respuesta :

lilickyicky23 lilickyicky23
  • 13-09-2020

Answer:

m=2

Step-by-step explanation:

Answer Link
Estellia
Estellia Estellia
  • 13-09-2020

Answer:

[tex]m=2[/tex]

Step-by-step explanation:

[tex]3\left(m+5\right)=3+3\left(2m+2\right)[/tex]

Expand:

[tex]3m+3\times5=3+3\times2m+3\times2[/tex]

[tex]3m+15=3+6m+6[/tex]

[tex]3m+15=6m+9[/tex]

Subtract 15 from both sides:

[tex]3m+15-15=6m+9-15[/tex]

[tex]3m=6m-6[/tex]

Subtract 6m from both sides:

[tex]3m-6m=6m-6-6m[/tex]

[tex]-3m=-6[/tex]

Divide both sides by -3:

[tex]\frac{-3m}{-3}=\frac{-6}{-3}[/tex]

[tex]m=2[/tex]

Answer Link

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