4(8-5z)=-30

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Solution for 4(8-5z)=-30 equation: 


Simplifying
4(8 + -5z) = -30
(8 * 4 + -5z * 4) = -30
(32 + -20z) = -30

Solving
32 + -20z = -30

Solving for variable 'z'.

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

Add '-32' to each side of the equation.
32 + -32 + -20z = -30 + -32

Combine like terms: 32 + -32 = 0
0 + -20z = -30 + -32
-20z = -30 + -32

Combine like terms: -30 + -32 = -62
-20z = -62

Divide each side by '-20'.
z = 3.1

Simplifying
z = 3.1

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