0.4z-5=-2

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Solution for 0.4z-5=-2 equation: 


Simplifying
0.4z + -5 = -2

Reorder the terms:
-5 + 0.4z = -2

Solving
-5 + 0.4z = -2

Solving for variable 'z'.

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

Add '5' to each side of the equation.
-5 + 5 + 0.4z = -2 + 5

Combine like terms: -5 + 5 = 0
0 + 0.4z = -2 + 5
0.4z = -2 + 5

Combine like terms: -2 + 5 = 3
0.4z = 3

Divide each side by '0.4'.
z = 7.5

Simplifying
z = 7.5

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