2z+9.75-7z=15.5

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Solution for 2z+9.75-7z=15.5 equation: 


Simplifying
2z + 9.75 + -7z = 15.5

Reorder the terms:
9.75 + 2z + -7z = 15.5

Combine like terms: 2z + -7z = -5z
9.75 + -5z = 15.5

Solving
9.75 + -5z = 15.5

Solving for variable 'z'.

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

Add '-9.75' to each side of the equation.
9.75 + -9.75 + -5z = 15.5 + -9.75

Combine like terms: 9.75 + -9.75 = 0.00
0.00 + -5z = 15.5 + -9.75
-5z = 15.5 + -9.75

Combine like terms: 15.5 + -9.75 = 5.75
-5z = 5.75

Divide each side by '-5'.
z = -1.15

Simplifying
z = -1.15

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