Respuesta :
Answer:
a and b
Step-by-step explanation:
15x-60=120
15x-60-60=120-60
15x=60
15x/15=60/15
x=4
3x=12
3x/3=12/3
x=4
the equations that have the same solution as the equation 3x - 12 = 24 are
[tex]A. 15x - 60 = 120\\C. 3x = 36\\D. x - 4 = 8[/tex]
Given :
We are given with an equation [tex]3x-12=24[/tex]
solve the given equation for x
[tex]3x-12=24\\3x=24+12\\3x=36\\Divide \; by \; 3\\x=12[/tex]
Now we check whether x=12 is a solution for all the equations
Substitute 12 for x in each equation and verify
[tex]15x-60=120\\15(12)-60=120\\\\120=120 (True)[/tex]
First equation satisfies the solution
[tex]3x = 12\\3(12)=12\\36 =12 \\false[/tex]
[tex]3x=36\\3(12)=36\\36=36 (True)[/tex]
Option C satisfies the solution
[tex]x-4=8\\12-4=8\\8=8 (True)[/tex]
Option D satisfies the solution
[tex]12x-12=24\\12(12)-12=24\\132=24(False)[/tex]
the equations that have the same solution as the equation 3x - 12 = 24 are
[tex]A. 15x - 60 = 120\\C. 3x = 36\\D. x - 4 = 8[/tex]
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