270=70-y

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Solution for 270=70-y equation:


Simplifying
270 = 70 + -1y

Solving
270 = 70 + -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.
270 + y = 70 + -1y + y

Combine like terms: -1y + y = 0
270 + y = 70 + 0
270 + y = 70

Add '-270' to each side of the equation.
270 + -270 + y = 70 + -270

Combine like terms: 270 + -270 = 0
0 + y = 70 + -270
y = 70 + -270

Combine like terms: 70 + -270 = -200
y = -200

Simplifying
y = -200

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