-3.1-3z-6.5-z=3z+7.5

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Solution for -3.1-3z-6.5-z=3z+7.5 equation:


Simplifying
-3.1 + -3z + -6.5 + -1z = 3z + 7.5

Reorder the terms:
-3.1 + -6.5 + -3z + -1z = 3z + 7.5

Combine like terms: -3.1 + -6.5 = -9.6
-9.6 + -3z + -1z = 3z + 7.5

Combine like terms: -3z + -1z = -4z
-9.6 + -4z = 3z + 7.5

Reorder the terms:
-9.6 + -4z = 7.5 + 3z

Solving
-9.6 + -4z = 7.5 + 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.
-9.6 + -4z + -3z = 7.5 + 3z + -3z

Combine like terms: -4z + -3z = -7z
-9.6 + -7z = 7.5 + 3z + -3z

Combine like terms: 3z + -3z = 0
-9.6 + -7z = 7.5 + 0
-9.6 + -7z = 7.5

Add '9.6' to each side of the equation.
-9.6 + 9.6 + -7z = 7.5 + 9.6

Combine like terms: -9.6 + 9.6 = 0.0
0.0 + -7z = 7.5 + 9.6
-7z = 7.5 + 9.6

Combine like terms: 7.5 + 9.6 = 17.1
-7z = 17.1

Divide each side by '-7'.
z = -2.442857143

Simplifying
z = -2.442857143

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