50-4z=z-40

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Solution for 50-4z=z-40 equation:


Simplifying
50 + -4z = z + -40

Reorder the terms:
50 + -4z = -40 + z

Solving
50 + -4z = -40 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
50 + -4z + -1z = -40 + z + -1z

Combine like terms: -4z + -1z = -5z
50 + -5z = -40 + z + -1z

Combine like terms: z + -1z = 0
50 + -5z = -40 + 0
50 + -5z = -40

Add '-50' to each side of the equation.
50 + -50 + -5z = -40 + -50

Combine like terms: 50 + -50 = 0
0 + -5z = -40 + -50
-5z = -40 + -50

Combine like terms: -40 + -50 = -90
-5z = -90

Divide each side by '-5'.
z = 18

Simplifying
z = 18

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