-8.9-3z-6.6-z=-3z+7.4

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Solution for -8.9-3z-6.6-z=-3z+7.4 equation:


Simplifying
-8.9 + -3z + -6.6 + -1z = -3z + 7.4

Reorder the terms:
-8.9 + -6.6 + -3z + -1z = -3z + 7.4

Combine like terms: -8.9 + -6.6 = -15.5
-15.5 + -3z + -1z = -3z + 7.4

Combine like terms: -3z + -1z = -4z
-15.5 + -4z = -3z + 7.4

Reorder the terms:
-15.5 + -4z = 7.4 + -3z

Solving
-15.5 + -4z = 7.4 + -3z

Solving for variable 'z'.

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

Add '3z' to each side of the equation.
-15.5 + -4z + 3z = 7.4 + -3z + 3z

Combine like terms: -4z + 3z = -1z
-15.5 + -1z = 7.4 + -3z + 3z

Combine like terms: -3z + 3z = 0
-15.5 + -1z = 7.4 + 0
-15.5 + -1z = 7.4

Add '15.5' to each side of the equation.
-15.5 + 15.5 + -1z = 7.4 + 15.5

Combine like terms: -15.5 + 15.5 = 0.0
0.0 + -1z = 7.4 + 15.5
-1z = 7.4 + 15.5

Combine like terms: 7.4 + 15.5 = 22.9
-1z = 22.9

Divide each side by '-1'.
z = -22.9

Simplifying
z = -22.9

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