171=69-y

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Solution for 171=69-y equation:


Simplifying
171 = 69 + -1y

Solving
171 = 69 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
171 + y = 69 + -1y + y

Combine like terms: -1y + y = 0
171 + y = 69 + 0
171 + y = 69

Add '-171' to each side of the equation.
171 + -171 + y = 69 + -171

Combine like terms: 171 + -171 = 0
0 + y = 69 + -171
y = 69 + -171

Combine like terms: 69 + -171 = -102
y = -102

Simplifying
y = -102

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