3[y+2]=15

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Solution for 3[y+2]=15 equation: 


Simplifying
3[y + 2] = 15

Reorder the terms:
3[2 + y] = 15
[2 * 3 + y * 3] = 15
[6 + 3y] = 15

Solving
6 + 3y = 15

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 3y = 15 + -6

Combine like terms: 6 + -6 = 0
0 + 3y = 15 + -6
3y = 15 + -6

Combine like terms: 15 + -6 = 9
3y = 9

Divide each side by '3'.
y = 3

Simplifying
y = 3

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