5(z+5)=0.8(z+3)

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Solution for 5(z+5)=0.8(z+3) equation:


Simplifying
5(z + 5) = 0.8(z + 3)

Reorder the terms:
5(5 + z) = 0.8(z + 3)
(5 * 5 + z * 5) = 0.8(z + 3)
(25 + 5z) = 0.8(z + 3)

Reorder the terms:
25 + 5z = 0.8(3 + z)
25 + 5z = (3 * 0.8 + z * 0.8)
25 + 5z = (2.4 + 0.8z)

Solving
25 + 5z = 2.4 + 0.8z

Solving for variable 'z'.

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

Add '-0.8z' to each side of the equation.
25 + 5z + -0.8z = 2.4 + 0.8z + -0.8z

Combine like terms: 5z + -0.8z = 4.2z
25 + 4.2z = 2.4 + 0.8z + -0.8z

Combine like terms: 0.8z + -0.8z = 0.0
25 + 4.2z = 2.4 + 0.0
25 + 4.2z = 2.4

Add '-25' to each side of the equation.
25 + -25 + 4.2z = 2.4 + -25

Combine like terms: 25 + -25 = 0
0 + 4.2z = 2.4 + -25
4.2z = 2.4 + -25

Combine like terms: 2.4 + -25 = -22.6
4.2z = -22.6

Divide each side by '4.2'.
z = -5.380952381

Simplifying
z = -5.380952381

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