-4(z+5)=20

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Solution for -4(z+5)=20 equation: 


Simplifying
-4(z + 5) = 20

Reorder the terms:
-4(5 + z) = 20
(5 * -4 + z * -4) = 20
(-20 + -4z) = 20

Solving
-20 + -4z = 20

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 + -4z = 20 + 20

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

Combine like terms: 20 + 20 = 40
-4z = 40

Divide each side by '-4'.
z = -10

Simplifying
z = -10

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