215=134-y

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Solution for 215=134-y equation:


Simplifying
215 = 134 + -1y

Solving
215 = 134 + -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.
215 + y = 134 + -1y + y

Combine like terms: -1y + y = 0
215 + y = 134 + 0
215 + y = 134

Add '-215' to each side of the equation.
215 + -215 + y = 134 + -215

Combine like terms: 215 + -215 = 0
0 + y = 134 + -215
y = 134 + -215

Combine like terms: 134 + -215 = -81
y = -81

Simplifying
y = -81

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