-7.7-4z-8.1-2z=-5z+8.4

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Solution for -7.7-4z-8.1-2z=-5z+8.4 equation:


Simplifying
-7.7 + -4z + -8.1 + -2z = -5z + 8.4

Reorder the terms:
-7.7 + -8.1 + -4z + -2z = -5z + 8.4

Combine like terms: -7.7 + -8.1 = -15.8
-15.8 + -4z + -2z = -5z + 8.4

Combine like terms: -4z + -2z = -6z
-15.8 + -6z = -5z + 8.4

Reorder the terms:
-15.8 + -6z = 8.4 + -5z

Solving
-15.8 + -6z = 8.4 + -5z

Solving for variable 'z'.

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

Add '5z' to each side of the equation.
-15.8 + -6z + 5z = 8.4 + -5z + 5z

Combine like terms: -6z + 5z = -1z
-15.8 + -1z = 8.4 + -5z + 5z

Combine like terms: -5z + 5z = 0
-15.8 + -1z = 8.4 + 0
-15.8 + -1z = 8.4

Add '15.8' to each side of the equation.
-15.8 + 15.8 + -1z = 8.4 + 15.8

Combine like terms: -15.8 + 15.8 = 0.0
0.0 + -1z = 8.4 + 15.8
-1z = 8.4 + 15.8

Combine like terms: 8.4 + 15.8 = 24.2
-1z = 24.2

Divide each side by '-1'.
z = -24.2

Simplifying
z = -24.2

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