7-(3z-9)=5-4z

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Solution for 7-(3z-9)=5-4z equation:


Simplifying
7 + -1(3z + -9) = 5 + -4z

Reorder the terms:
7 + -1(-9 + 3z) = 5 + -4z
7 + (-9 * -1 + 3z * -1) = 5 + -4z
7 + (9 + -3z) = 5 + -4z

Combine like terms: 7 + 9 = 16
16 + -3z = 5 + -4z

Solving
16 + -3z = 5 + -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
16 + -3z + 4z = 5 + -4z + 4z

Combine like terms: -3z + 4z = 1z
16 + 1z = 5 + -4z + 4z

Combine like terms: -4z + 4z = 0
16 + 1z = 5 + 0
16 + 1z = 5

Add '-16' to each side of the equation.
16 + -16 + 1z = 5 + -16

Combine like terms: 16 + -16 = 0
0 + 1z = 5 + -16
1z = 5 + -16

Combine like terms: 5 + -16 = -11
1z = -11

Divide each side by '1'.
z = -11

Simplifying
z = -11

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