45=15-2z

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Solution for 45=15-2z equation:


Simplifying
45 = 15 + -2z

Solving
45 = 15 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
45 + 2z = 15 + -2z + 2z

Combine like terms: -2z + 2z = 0
45 + 2z = 15 + 0
45 + 2z = 15

Add '-45' to each side of the equation.
45 + -45 + 2z = 15 + -45

Combine like terms: 45 + -45 = 0
0 + 2z = 15 + -45
2z = 15 + -45

Combine like terms: 15 + -45 = -30
2z = -30

Divide each side by '2'.
z = -15

Simplifying
z = -15

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