-4(z-9)=-5z

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Solution for -4(z-9)=-5z equation:


Simplifying
-4(z + -9) = -5z

Reorder the terms:
-4(-9 + z) = -5z
(-9 * -4 + z * -4) = -5z
(36 + -4z) = -5z

Solving
36 + -4z = -5z

Solving for variable 'z'.

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

Add '5z' to each side of the equation.
36 + -4z + 5z = -5z + 5z

Combine like terms: -4z + 5z = 1z
36 + 1z = -5z + 5z

Combine like terms: -5z + 5z = 0
36 + 1z = 0

Add '-36' to each side of the equation.
36 + -36 + 1z = 0 + -36

Combine like terms: 36 + -36 = 0
0 + 1z = 0 + -36
1z = 0 + -36

Combine like terms: 0 + -36 = -36
1z = -36

Divide each side by '1'.
z = -36

Simplifying
z = -36

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