2y-3[2y-3]+2=31

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Solution for 2y-3[2y-3]+2=31 equation:


Simplifying
2y + -3[2y + -3] + 2 = 31

Reorder the terms:
2y + -3[-3 + 2y] + 2 = 31
2y + [-3 * -3 + 2y * -3] + 2 = 31
2y + [9 + -6y] + 2 = 31

Reorder the terms:
9 + 2 + 2y + -6y = 31

Combine like terms: 9 + 2 = 11
11 + 2y + -6y = 31

Combine like terms: 2y + -6y = -4y
11 + -4y = 31

Solving
11 + -4y = 31

Solving for variable 'y'.

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

Add '-11' to each side of the equation.
11 + -11 + -4y = 31 + -11

Combine like terms: 11 + -11 = 0
0 + -4y = 31 + -11
-4y = 31 + -11

Combine like terms: 31 + -11 = 20
-4y = 20

Divide each side by '-4'.
y = -5

Simplifying
y = -5

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