4.5(z-.4)=7.2

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Solution for 4.5(z-.4)=7.2 equation:


Simplifying
4.5(z + -0.4) = 7.2

Reorder the terms:
4.5(-0.4 + z) = 7.2
(-0.4 * 4.5 + z * 4.5) = 7.2
(-1.8 + 4.5z) = 7.2

Solving
-1.8 + 4.5z = 7.2

Solving for variable 'z'.

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

Add '1.8' to each side of the equation.
-1.8 + 1.8 + 4.5z = 7.2 + 1.8

Combine like terms: -1.8 + 1.8 = 0.0
0.0 + 4.5z = 7.2 + 1.8
4.5z = 7.2 + 1.8

Combine like terms: 7.2 + 1.8 = 9
4.5z = 9

Divide each side by '4.5'.
z = 2

Simplifying
z = 2

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