-134.4=21z

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Solution for -134.4=21z equation:


Simplifying
-134.4 = 21z

Solving
-134.4 = 21z

Solving for variable 'z'.

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

Add '-21z' to each side of the equation.
-134.4 + -21z = 21z + -21z

Combine like terms: 21z + -21z = 0
-134.4 + -21z = 0

Add '134.4' to each side of the equation.
-134.4 + 134.4 + -21z = 0 + 134.4

Combine like terms: -134.4 + 134.4 = 0.0
0.0 + -21z = 0 + 134.4
-21z = 0 + 134.4

Combine like terms: 0 + 134.4 = 134.4
-21z = 134.4

Divide each side by '-21'.
z = -6.4

Simplifying
z = -6.4

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