-0.9z-3.9=-3.2z+0.7

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Solution for -0.9z-3.9=-3.2z+0.7 equation:


Simplifying
-0.9z + -3.9 = -3.2z + 0.7

Reorder the terms:
-3.9 + -0.9z = -3.2z + 0.7

Reorder the terms:
-3.9 + -0.9z = 0.7 + -3.2z

Solving
-3.9 + -0.9z = 0.7 + -3.2z

Solving for variable 'z'.

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

Add '3.2z' to each side of the equation.
-3.9 + -0.9z + 3.2z = 0.7 + -3.2z + 3.2z

Combine like terms: -0.9z + 3.2z = 2.3z
-3.9 + 2.3z = 0.7 + -3.2z + 3.2z

Combine like terms: -3.2z + 3.2z = 0.0
-3.9 + 2.3z = 0.7 + 0.0
-3.9 + 2.3z = 0.7

Add '3.9' to each side of the equation.
-3.9 + 3.9 + 2.3z = 0.7 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + 2.3z = 0.7 + 3.9
2.3z = 0.7 + 3.9

Combine like terms: 0.7 + 3.9 = 4.6
2.3z = 4.6

Divide each side by '2.3'.
z = 2

Simplifying
z = 2

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