z-1.5z+4=2.5(z+6.4)

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Solution for z-1.5z+4=2.5(z+6.4) equation:


Simplifying
z + -1.5z + 4 = 2.5(z + 6.4)

Reorder the terms:
4 + z + -1.5z = 2.5(z + 6.4)

Combine like terms: z + -1.5z = -0.5z
4 + -0.5z = 2.5(z + 6.4)

Reorder the terms:
4 + -0.5z = 2.5(6.4 + z)
4 + -0.5z = (6.4 * 2.5 + z * 2.5)
4 + -0.5z = (16 + 2.5z)

Solving
4 + -0.5z = 16 + 2.5z

Solving for variable 'z'.

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

Add '-2.5z' to each side of the equation.
4 + -0.5z + -2.5z = 16 + 2.5z + -2.5z

Combine like terms: -0.5z + -2.5z = -3z
4 + -3z = 16 + 2.5z + -2.5z

Combine like terms: 2.5z + -2.5z = 0.0
4 + -3z = 16 + 0.0
4 + -3z = 16

Add '-4' to each side of the equation.
4 + -4 + -3z = 16 + -4

Combine like terms: 4 + -4 = 0
0 + -3z = 16 + -4
-3z = 16 + -4

Combine like terms: 16 + -4 = 12
-3z = 12

Divide each side by '-3'.
z = -4

Simplifying
z = -4

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