z-3.9z+6.3=2.4(z-4)

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Solution for z-3.9z+6.3=2.4(z-4) equation:


Simplifying
z + -3.9z + 6.3 = 2.4(z + -4)

Reorder the terms:
6.3 + z + -3.9z = 2.4(z + -4)

Combine like terms: z + -3.9z = -2.9z
6.3 + -2.9z = 2.4(z + -4)

Reorder the terms:
6.3 + -2.9z = 2.4(-4 + z)
6.3 + -2.9z = (-4 * 2.4 + z * 2.4)
6.3 + -2.9z = (-9.6 + 2.4z)

Solving
6.3 + -2.9z = -9.6 + 2.4z

Solving for variable 'z'.

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

Add '-2.4z' to each side of the equation.
6.3 + -2.9z + -2.4z = -9.6 + 2.4z + -2.4z

Combine like terms: -2.9z + -2.4z = -5.3z
6.3 + -5.3z = -9.6 + 2.4z + -2.4z

Combine like terms: 2.4z + -2.4z = 0.0
6.3 + -5.3z = -9.6 + 0.0
6.3 + -5.3z = -9.6

Add '-6.3' to each side of the equation.
6.3 + -6.3 + -5.3z = -9.6 + -6.3

Combine like terms: 6.3 + -6.3 = 0.0
0.0 + -5.3z = -9.6 + -6.3
-5.3z = -9.6 + -6.3

Combine like terms: -9.6 + -6.3 = -15.9
-5.3z = -15.9

Divide each side by '-5.3'.
z = 3

Simplifying
z = 3

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