0.3(3z+5)+4.5=0.5(3z-5)

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Solution for 0.3(3z+5)+4.5=0.5(3z-5) equation:


Simplifying
0.3(3z + 5) + 4.5 = 0.5(3z + -5)

Reorder the terms:
0.3(5 + 3z) + 4.5 = 0.5(3z + -5)
(5 * 0.3 + 3z * 0.3) + 4.5 = 0.5(3z + -5)
(1.5 + 0.9z) + 4.5 = 0.5(3z + -5)

Reorder the terms:
1.5 + 4.5 + 0.9z = 0.5(3z + -5)

Combine like terms: 1.5 + 4.5 = 6
6 + 0.9z = 0.5(3z + -5)

Reorder the terms:
6 + 0.9z = 0.5(-5 + 3z)
6 + 0.9z = (-5 * 0.5 + 3z * 0.5)
6 + 0.9z = (-2.5 + 1.5z)

Solving
6 + 0.9z = -2.5 + 1.5z

Solving for variable 'z'.

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

Add '-1.5z' to each side of the equation.
6 + 0.9z + -1.5z = -2.5 + 1.5z + -1.5z

Combine like terms: 0.9z + -1.5z = -0.6z
6 + -0.6z = -2.5 + 1.5z + -1.5z

Combine like terms: 1.5z + -1.5z = 0.0
6 + -0.6z = -2.5 + 0.0
6 + -0.6z = -2.5

Add '-6' to each side of the equation.
6 + -6 + -0.6z = -2.5 + -6

Combine like terms: 6 + -6 = 0
0 + -0.6z = -2.5 + -6
-0.6z = -2.5 + -6

Combine like terms: -2.5 + -6 = -8.5
-0.6z = -8.5

Divide each side by '-0.6'.
z = 14.16666667

Simplifying
z = 14.16666667

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