Respuesta :

y=27 because 42-15 is 27

Solution

[tex]y=27[/tex]

Step-by-step explanation:

Subtract [tex]15[/tex] from both sides of the equation:

[tex]42=y+15[/tex]

[tex]42[/tex][tex]-15=y+15[/tex][tex]-15[/tex]

Simplify:

  • Subtract the numbers:

[tex]42-15=y+15-15[/tex]

[tex]27=y+15-15[/tex]

  • Subtract the numbers:

[tex]27=y+15[/tex][tex]-15[/tex]

[tex]27=y[/tex]

  • Move the variable to the left:

[tex]27=y[/tex]

[tex]y=27[/tex]

[tex]y=27[/tex]