45=51-z

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Solution for 45=51-z equation:


Simplifying
45 = 51 + -1z

Solving
45 = 51 + -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.
45 + z = 51 + -1z + z

Combine like terms: -1z + z = 0
45 + z = 51 + 0
45 + z = 51

Add '-45' to each side of the equation.
45 + -45 + z = 51 + -45

Combine like terms: 45 + -45 = 0
0 + z = 51 + -45
z = 51 + -45

Combine like terms: 51 + -45 = 6
z = 6

Simplifying
z = 6

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