x+28z=21+x-z

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Solution for x+28z=21+x-z equation:


Simplifying
x + 28z = 21 + x + -1z

Add '-1x' to each side of the equation.
x + -1x + 28z = 21 + x + -1x + -1z

Combine like terms: x + -1x = 0
0 + 28z = 21 + x + -1x + -1z
28z = 21 + x + -1x + -1z

Combine like terms: x + -1x = 0
28z = 21 + 0 + -1z
28z = 21 + -1z

Solving
28z = 21 + -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.
28z + z = 21 + -1z + z

Combine like terms: 28z + z = 29z
29z = 21 + -1z + z

Combine like terms: -1z + z = 0
29z = 21 + 0
29z = 21

Divide each side by '29'.
z = 0.724137931

Simplifying
z = 0.724137931

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