340=520-z

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Solution for 340=520-z equation:


Simplifying
340 = 520 + -1z

Solving
340 = 520 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
340 + z = 520 + -1z + z

Combine like terms: -1z + z = 0
340 + z = 520 + 0
340 + z = 520

Add '-340' to each side of the equation.
340 + -340 + z = 520 + -340

Combine like terms: 340 + -340 = 0
0 + z = 520 + -340
z = 520 + -340

Combine like terms: 520 + -340 = 180
z = 180

Simplifying
z = 180

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