-6.9-4z-1.3-z=-4z+7.7

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Solution for -6.9-4z-1.3-z=-4z+7.7 equation:


Simplifying
-6.9 + -4z + -1.3 + -1z = -4z + 7.7

Reorder the terms:
-6.9 + -1.3 + -4z + -1z = -4z + 7.7

Combine like terms: -6.9 + -1.3 = -8.2
-8.2 + -4z + -1z = -4z + 7.7

Combine like terms: -4z + -1z = -5z
-8.2 + -5z = -4z + 7.7

Reorder the terms:
-8.2 + -5z = 7.7 + -4z

Solving
-8.2 + -5z = 7.7 + -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
-8.2 + -5z + 4z = 7.7 + -4z + 4z

Combine like terms: -5z + 4z = -1z
-8.2 + -1z = 7.7 + -4z + 4z

Combine like terms: -4z + 4z = 0
-8.2 + -1z = 7.7 + 0
-8.2 + -1z = 7.7

Add '8.2' to each side of the equation.
-8.2 + 8.2 + -1z = 7.7 + 8.2

Combine like terms: -8.2 + 8.2 = 0.0
0.0 + -1z = 7.7 + 8.2
-1z = 7.7 + 8.2

Combine like terms: 7.7 + 8.2 = 15.9
-1z = 15.9

Divide each side by '-1'.
z = -15.9

Simplifying
z = -15.9

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