280=-20z

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Solution for 280=-20z equation:


Simplifying
280 = -20z

Solving
280 = -20z

Solving for variable 'z'.

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

Add '20z' to each side of the equation.
280 + 20z = -20z + 20z

Combine like terms: -20z + 20z = 0
280 + 20z = 0

Add '-280' to each side of the equation.
280 + -280 + 20z = 0 + -280

Combine like terms: 280 + -280 = 0
0 + 20z = 0 + -280
20z = 0 + -280

Combine like terms: 0 + -280 = -280
20z = -280

Divide each side by '20'.
z = -14

Simplifying
z = -14

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