8z-10z-4=-20

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Solution for 8z-10z-4=-20 equation:


Simplifying
8z + -10z + -4 = -20

Reorder the terms:
-4 + 8z + -10z = -20

Combine like terms: 8z + -10z = -2z
-4 + -2z = -20

Solving
-4 + -2z = -20

Solving for variable 'z'.

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

Add '4' to each side of the equation.
-4 + 4 + -2z = -20 + 4

Combine like terms: -4 + 4 = 0
0 + -2z = -20 + 4
-2z = -20 + 4

Combine like terms: -20 + 4 = -16
-2z = -16

Divide each side by '-2'.
z = 8

Simplifying
z = 8

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