-4(10-5z)=-60

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Solution for -4(10-5z)=-60 equation: 


Simplifying
-4(10 + -5z) = -60
(10 * -4 + -5z * -4) = -60
(-40 + 20z) = -60

Solving
-40 + 20z = -60

Solving for variable 'z'.

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

Add '40' to each side of the equation.
-40 + 40 + 20z = -60 + 40

Combine like terms: -40 + 40 = 0
0 + 20z = -60 + 40
20z = -60 + 40

Combine like terms: -60 + 40 = -20
20z = -20

Divide each side by '20'.
z = -1

Simplifying
z = -1

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