-1z+5*4=4

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Solution for -1z+5*4=4 equation: 


Simplifying
-1z + 5 * 4 = 4

Multiply 5 * 4
-1z + 20 = 4

Reorder the terms:
20 + -1z = 4

Solving
20 + -1z = 4

Solving for variable 'z'.

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

Add '-20' to each side of the equation.
20 + -20 + -1z = 4 + -20

Combine like terms: 20 + -20 = 0
0 + -1z = 4 + -20
-1z = 4 + -20

Combine like terms: 4 + -20 = -16
-1z = -16

Divide each side by '-1'.
z = 16

Simplifying
z = 16

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