4x+9=81-4z

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Solution for 4x+9=81-4z equation: 


Simplifying
4x + 9 = 81 + -4z

Reorder the terms:
9 + 4x = 81 + -4z

Solving
9 + 4x = 81 + -4z

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 4x = 81 + -9 + -4z

Combine like terms: 9 + -9 = 0
0 + 4x = 81 + -9 + -4z
4x = 81 + -9 + -4z

Combine like terms: 81 + -9 = 72
4x = 72 + -4z

Divide each side by '4'.
x = 18 + -1z

Simplifying
x = 18 + -1z

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