3(3+-y)+1=31

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Solution for 3(3+-y)+1=31 equation: 


Simplifying
3(3 + -1y) + 1 = 31
(3 * 3 + -1y * 3) + 1 = 31
(9 + -3y) + 1 = 31

Reorder the terms:
9 + 1 + -3y = 31

Combine like terms: 9 + 1 = 10
10 + -3y = 31

Solving
10 + -3y = 31

Solving for variable 'y'.

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

Add '-10' to each side of the equation.
10 + -10 + -3y = 31 + -10

Combine like terms: 10 + -10 = 0
0 + -3y = 31 + -10
-3y = 31 + -10

Combine like terms: 31 + -10 = 21
-3y = 21

Divide each side by '-3'.
y = -7

Simplifying
y = -7

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