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 = -7
-7 + 2y + -6y = 31

Combine like terms: 2y + -6y = -4y
-7 + -4y = 31

Solving
-7 + -4y = 31

Solving for variable 'y'.

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

Add '7' to each side of the equation.
-7 + 7 + -4y = 31 + 7

Combine like terms: -7 + 7 = 0
0 + -4y = 31 + 7
-4y = 31 + 7

Combine like terms: 31 + 7 = 38
-4y = 38

Divide each side by '-4'.
y = -9.5

Simplifying
y = -9.5

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