-9z-21=35-z

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Solution for -9z-21=35-z equation:


Simplifying
-9z + -21 = 35 + -1z

Reorder the terms:
-21 + -9z = 35 + -1z

Solving
-21 + -9z = 35 + -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.
-21 + -9z + z = 35 + -1z + z

Combine like terms: -9z + z = -8z
-21 + -8z = 35 + -1z + z

Combine like terms: -1z + z = 0
-21 + -8z = 35 + 0
-21 + -8z = 35

Add '21' to each side of the equation.
-21 + 21 + -8z = 35 + 21

Combine like terms: -21 + 21 = 0
0 + -8z = 35 + 21
-8z = 35 + 21

Combine like terms: 35 + 21 = 56
-8z = 56

Divide each side by '-8'.
z = -7

Simplifying
z = -7

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