-.3(z-4)+z=.5(3-z)

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Solution for -.3(z-4)+z=.5(3-z) equation:


Simplifying
-0.3(z + -4) + z = 0.5(3 + -1z)

Reorder the terms:
-0.3(-4 + z) + z = 0.5(3 + -1z)
(-4 * -0.3 + z * -0.3) + z = 0.5(3 + -1z)
(1.2 + -0.3z) + z = 0.5(3 + -1z)

Combine like terms: -0.3z + z = 0.7z
1.2 + 0.7z = 0.5(3 + -1z)
1.2 + 0.7z = (3 * 0.5 + -1z * 0.5)
1.2 + 0.7z = (1.5 + -0.5z)

Solving
1.2 + 0.7z = 1.5 + -0.5z

Solving for variable 'z'.

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

Add '0.5z' to each side of the equation.
1.2 + 0.7z + 0.5z = 1.5 + -0.5z + 0.5z

Combine like terms: 0.7z + 0.5z = 1.2z
1.2 + 1.2z = 1.5 + -0.5z + 0.5z

Combine like terms: -0.5z + 0.5z = 0.0
1.2 + 1.2z = 1.5 + 0.0
1.2 + 1.2z = 1.5

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 1.2z = 1.5 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 1.2z = 1.5 + -1.2
1.2z = 1.5 + -1.2

Combine like terms: 1.5 + -1.2 = 0.3
1.2z = 0.3

Divide each side by '1.2'.
z = 0.25

Simplifying
z = 0.25

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