.25(9-2z)=1

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Solution for .25(9-2z)=1 equation:


Simplifying
0.25(9 + -2z) = 1
(9 * 0.25 + -2z * 0.25) = 1
(2.25 + -0.5z) = 1

Solving
2.25 + -0.5z = 1

Solving for variable 'z'.

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

Add '-2.25' to each side of the equation.
2.25 + -2.25 + -0.5z = 1 + -2.25

Combine like terms: 2.25 + -2.25 = 0.00
0.00 + -0.5z = 1 + -2.25
-0.5z = 1 + -2.25

Combine like terms: 1 + -2.25 = -1.25
-0.5z = -1.25

Divide each side by '-0.5'.
z = 2.5

Simplifying
z = 2.5

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