2.1z-3.5=-6.5(z+2.2)

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Solution for 2.1z-3.5=-6.5(z+2.2) equation: 


Simplifying
2.1z + -3.5 = -6.5(z + 2.2)

Reorder the terms:
-3.5 + 2.1z = -6.5(z + 2.2)

Reorder the terms:
-3.5 + 2.1z = -6.5(2.2 + z)
-3.5 + 2.1z = (2.2 * -6.5 + z * -6.5)
-3.5 + 2.1z = (-14.3 + -6.5z)

Solving
-3.5 + 2.1z = -14.3 + -6.5z

Solving for variable 'z'.

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

Add '6.5z' to each side of the equation.
-3.5 + 2.1z + 6.5z = -14.3 + -6.5z + 6.5z

Combine like terms: 2.1z + 6.5z = 8.6z
-3.5 + 8.6z = -14.3 + -6.5z + 6.5z

Combine like terms: -6.5z + 6.5z = 0.0
-3.5 + 8.6z = -14.3 + 0.0
-3.5 + 8.6z = -14.3

Add '3.5' to each side of the equation.
-3.5 + 3.5 + 8.6z = -14.3 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + 8.6z = -14.3 + 3.5
8.6z = -14.3 + 3.5

Combine like terms: -14.3 + 3.5 = -10.8
8.6z = -10.8

Divide each side by '8.6'.
z = -1.255813953

Simplifying
z = -1.255813953

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