(10-y)-y=12

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Solution for (10-y)-y=12 equation:


Simplifying
(10 + -1y) + -1y = 12

Remove parenthesis around (10 + -1y)
10 + -1y + -1y = 12

Combine like terms: -1y + -1y = -2y
10 + -2y = 12

Solving
10 + -2y = 12

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 + -2y = 12 + -10

Combine like terms: 10 + -10 = 0
0 + -2y = 12 + -10
-2y = 12 + -10

Combine like terms: 12 + -10 = 2
-2y = 2

Divide each side by '-2'.
y = -1

Simplifying
y = -1

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