z-3z+3.4=-0.1(z+4)

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Solution for z-3z+3.4=-0.1(z+4) equation:


Simplifying
z + -3z + 3.4 = -0.1(z + 4)

Reorder the terms:
3.4 + z + -3z = -0.1(z + 4)

Combine like terms: z + -3z = -2z
3.4 + -2z = -0.1(z + 4)

Reorder the terms:
3.4 + -2z = -0.1(4 + z)
3.4 + -2z = (4 * -0.1 + z * -0.1)
3.4 + -2z = (-0.4 + -0.1z)

Solving
3.4 + -2z = -0.4 + -0.1z

Solving for variable 'z'.

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

Add '0.1z' to each side of the equation.
3.4 + -2z + 0.1z = -0.4 + -0.1z + 0.1z

Combine like terms: -2z + 0.1z = -1.9z
3.4 + -1.9z = -0.4 + -0.1z + 0.1z

Combine like terms: -0.1z + 0.1z = 0.0
3.4 + -1.9z = -0.4 + 0.0
3.4 + -1.9z = -0.4

Add '-3.4' to each side of the equation.
3.4 + -3.4 + -1.9z = -0.4 + -3.4

Combine like terms: 3.4 + -3.4 = 0.0
0.0 + -1.9z = -0.4 + -3.4
-1.9z = -0.4 + -3.4

Combine like terms: -0.4 + -3.4 = -3.8
-1.9z = -3.8

Divide each side by '-1.9'.
z = 2

Simplifying
z = 2

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