3[y-7]=3

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


Simplifying
3[y + -7] = 3

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

Solving
-21 + 3y = 3

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 = 3 + 21

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

Combine like terms: 3 + 21 = 24
3y = 24

Divide each side by '3'.
y = 8

Simplifying
y = 8

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