0.3(2z+5)+3.5=0.5(2z-6)

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Solution for 0.3(2z+5)+3.5=0.5(2z-6) equation:


Simplifying
0.3(2z + 5) + 3.5 = 0.5(2z + -6)

Reorder the terms:
0.3(5 + 2z) + 3.5 = 0.5(2z + -6)
(5 * 0.3 + 2z * 0.3) + 3.5 = 0.5(2z + -6)
(1.5 + 0.6z) + 3.5 = 0.5(2z + -6)

Reorder the terms:
1.5 + 3.5 + 0.6z = 0.5(2z + -6)

Combine like terms: 1.5 + 3.5 = 5
5 + 0.6z = 0.5(2z + -6)

Reorder the terms:
5 + 0.6z = 0.5(-6 + 2z)
5 + 0.6z = (-6 * 0.5 + 2z * 0.5)
5 + 0.6z = (-3 + 1z)

Solving
5 + 0.6z = -3 + 1z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
5 + 0.6z + -1z = -3 + 1z + -1z

Combine like terms: 0.6z + -1z = -0.4z
5 + -0.4z = -3 + 1z + -1z

Combine like terms: 1z + -1z = 0
5 + -0.4z = -3 + 0
5 + -0.4z = -3

Add '-5' to each side of the equation.
5 + -5 + -0.4z = -3 + -5

Combine like terms: 5 + -5 = 0
0 + -0.4z = -3 + -5
-0.4z = -3 + -5

Combine like terms: -3 + -5 = -8
-0.4z = -8

Divide each side by '-0.4'.
z = 20

Simplifying
z = 20

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