-45=45-3z

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Solution for -45=45-3z equation:


Simplifying
-45 = 45 + -3z

Solving
-45 = 45 + -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.
-45 + 3z = 45 + -3z + 3z

Combine like terms: -3z + 3z = 0
-45 + 3z = 45 + 0
-45 + 3z = 45

Add '45' to each side of the equation.
-45 + 45 + 3z = 45 + 45

Combine like terms: -45 + 45 = 0
0 + 3z = 45 + 45
3z = 45 + 45

Combine like terms: 45 + 45 = 90
3z = 90

Divide each side by '3'.
z = 30

Simplifying
z = 30

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