3[y-7]=27

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Solution for 3[y-7]=27 equation: 


Simplifying
3[y + -7] = 27

Reorder the terms:
3[-7 + y] = 27
[-7 * 3 + y * 3] = 27
[-21 + 3y] = 27

Solving
-21 + 3y = 27

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '21' to each side of the equation.
-21 + 21 + 3y = 27 + 21

Combine like terms: -21 + 21 = 0
0 + 3y = 27 + 21
3y = 27 + 21

Combine like terms: 27 + 21 = 48
3y = 48

Divide each side by '3'.
y = 16

Simplifying
y = 16

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