261=143-y

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Solution for 261=143-y equation:


Simplifying
261 = 143 + -1y

Solving
261 = 143 + -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.
261 + y = 143 + -1y + y

Combine like terms: -1y + y = 0
261 + y = 143 + 0
261 + y = 143

Add '-261' to each side of the equation.
261 + -261 + y = 143 + -261

Combine like terms: 261 + -261 = 0
0 + y = 143 + -261
y = 143 + -261

Combine like terms: 143 + -261 = -118
y = -118

Simplifying
y = -118

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