2(10-y)-y=5

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Solution for 2(10-y)-y=5 equation:


Simplifying
2(10 + -1y) + -1y = 5
(10 * 2 + -1y * 2) + -1y = 5
(20 + -2y) + -1y = 5

Combine like terms: -2y + -1y = -3y
20 + -3y = 5

Solving
20 + -3y = 5

Solving for variable 'y'.

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

Add '-20' to each side of the equation.
20 + -20 + -3y = 5 + -20

Combine like terms: 20 + -20 = 0
0 + -3y = 5 + -20
-3y = 5 + -20

Combine like terms: 5 + -20 = -15
-3y = -15

Divide each side by '-3'.
y = 5

Simplifying
y = 5

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