25=100-3z

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Solution for 25=100-3z equation:


Simplifying
25 = 100 + -3z

Solving
25 = 100 + -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.
25 + 3z = 100 + -3z + 3z

Combine like terms: -3z + 3z = 0
25 + 3z = 100 + 0
25 + 3z = 100

Add '-25' to each side of the equation.
25 + -25 + 3z = 100 + -25

Combine like terms: 25 + -25 = 0
0 + 3z = 100 + -25
3z = 100 + -25

Combine like terms: 100 + -25 = 75
3z = 75

Divide each side by '3'.
z = 25

Simplifying
z = 25

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