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

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


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

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

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

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

Solving for variable 'z'.

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

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

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

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

Add '-16' to each side of the equation.
16 + -16 + 1z = 4 + -16

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

Combine like terms: 4 + -16 = -12
1z = -12

Divide each side by '1'.
z = -12

Simplifying
z = -12

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