-8=.40z+4

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Solution for -8=.40z+4 equation:


Simplifying
-8 = 0.40z + 4

Reorder the terms:
-8 = 4 + 0.40z

Solving
-8 = 4 + 0.40z

Solving for variable 'z'.

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

Add '-0.40z' to each side of the equation.
-8 + -0.40z = 4 + 0.40z + -0.40z

Combine like terms: 0.40z + -0.40z = 0.00
-8 + -0.40z = 4 + 0.00
-8 + -0.40z = 4

Add '8' to each side of the equation.
-8 + 8 + -0.40z = 4 + 8

Combine like terms: -8 + 8 = 0
0 + -0.40z = 4 + 8
-0.40z = 4 + 8

Combine like terms: 4 + 8 = 12
-0.40z = 12

Divide each side by '-0.40'.
z = -30

Simplifying
z = -30

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