-2(z+4)=-(z-5)

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Solution for -2(z+4)=-(z-5) equation:


Simplifying
-2(z + 4) = -1(z + -5)

Reorder the terms:
-2(4 + z) = -1(z + -5)
(4 * -2 + z * -2) = -1(z + -5)
(-8 + -2z) = -1(z + -5)

Reorder the terms:
-8 + -2z = -1(-5 + z)
-8 + -2z = (-5 * -1 + z * -1)
-8 + -2z = (5 + -1z)

Solving
-8 + -2z = 5 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
-8 + -2z + z = 5 + -1z + z

Combine like terms: -2z + z = -1z
-8 + -1z = 5 + -1z + z

Combine like terms: -1z + z = 0
-8 + -1z = 5 + 0
-8 + -1z = 5

Add '8' to each side of the equation.
-8 + 8 + -1z = 5 + 8

Combine like terms: -8 + 8 = 0
0 + -1z = 5 + 8
-1z = 5 + 8

Combine like terms: 5 + 8 = 13
-1z = 13

Divide each side by '-1'.
z = -13

Simplifying
z = -13

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