-3.4-3z-6.5-z=-3+5.5

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Solution for -3.4-3z-6.5-z=-3+5.5 equation:


Simplifying
-3.4 + -3z + -6.5 + -1z = -3 + 5.5

Reorder the terms:
-3.4 + -6.5 + -3z + -1z = -3 + 5.5

Combine like terms: -3.4 + -6.5 = -9.9
-9.9 + -3z + -1z = -3 + 5.5

Combine like terms: -3z + -1z = -4z
-9.9 + -4z = -3 + 5.5

Combine like terms: -3 + 5.5 = 2.5
-9.9 + -4z = 2.5

Solving
-9.9 + -4z = 2.5

Solving for variable 'z'.

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

Add '9.9' to each side of the equation.
-9.9 + 9.9 + -4z = 2.5 + 9.9

Combine like terms: -9.9 + 9.9 = 0.0
0.0 + -4z = 2.5 + 9.9
-4z = 2.5 + 9.9

Combine like terms: 2.5 + 9.9 = 12.4
-4z = 12.4

Divide each side by '-4'.
z = -3.1

Simplifying
z = -3.1

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