-(4-z)=-3z+9

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Solution for -(4-z)=-3z+9 equation:


Simplifying
-1(4 + -1z) = -3z + 9
(4 * -1 + -1z * -1) = -3z + 9
(-4 + 1z) = -3z + 9

Reorder the terms:
-4 + 1z = 9 + -3z

Solving
-4 + 1z = 9 + -3z

Solving for variable 'z'.

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

Add '3z' to each side of the equation.
-4 + 1z + 3z = 9 + -3z + 3z

Combine like terms: 1z + 3z = 4z
-4 + 4z = 9 + -3z + 3z

Combine like terms: -3z + 3z = 0
-4 + 4z = 9 + 0
-4 + 4z = 9

Add '4' to each side of the equation.
-4 + 4 + 4z = 9 + 4

Combine like terms: -4 + 4 = 0
0 + 4z = 9 + 4
4z = 9 + 4

Combine like terms: 9 + 4 = 13
4z = 13

Divide each side by '4'.
z = 3.25

Simplifying
z = 3.25

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