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

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Solution for -(z+1)=-2(5-z) equation:


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

Reorder the terms:
-1(1 + z) = -2(5 + -1z)
(1 * -1 + z * -1) = -2(5 + -1z)
(-1 + -1z) = -2(5 + -1z)
-1 + -1z = (5 * -2 + -1z * -2)
-1 + -1z = (-10 + 2z)

Solving
-1 + -1z = -10 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
-1 + -1z + -2z = -10 + 2z + -2z

Combine like terms: -1z + -2z = -3z
-1 + -3z = -10 + 2z + -2z

Combine like terms: 2z + -2z = 0
-1 + -3z = -10 + 0
-1 + -3z = -10

Add '1' to each side of the equation.
-1 + 1 + -3z = -10 + 1

Combine like terms: -1 + 1 = 0
0 + -3z = -10 + 1
-3z = -10 + 1

Combine like terms: -10 + 1 = -9
-3z = -9

Divide each side by '-3'.
z = 3

Simplifying
z = 3

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