10-4z=20-2z-2

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Solution for 10-4z=20-2z-2 equation:


Simplifying
10 + -4z = 20 + -2z + -2

Reorder the terms:
10 + -4z = 20 + -2 + -2z

Combine like terms: 20 + -2 = 18
10 + -4z = 18 + -2z

Solving
10 + -4z = 18 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
10 + -4z + 2z = 18 + -2z + 2z

Combine like terms: -4z + 2z = -2z
10 + -2z = 18 + -2z + 2z

Combine like terms: -2z + 2z = 0
10 + -2z = 18 + 0
10 + -2z = 18

Add '-10' to each side of the equation.
10 + -10 + -2z = 18 + -10

Combine like terms: 10 + -10 = 0
0 + -2z = 18 + -10
-2z = 18 + -10

Combine like terms: 18 + -10 = 8
-2z = 8

Divide each side by '-2'.
z = -4

Simplifying
z = -4

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