z+7.5=3.1

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Solution for z+7.5=3.1 equation: 


Simplifying
z + 7.5 = 3.1

Reorder the terms:
7.5 + z = 3.1

Solving
7.5 + z = 3.1

Solving for variable 'z'.

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

Add '-7.5' to each side of the equation.
7.5 + -7.5 + z = 3.1 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + z = 3.1 + -7.5
z = 3.1 + -7.5

Combine like terms: 3.1 + -7.5 = -4.4
z = -4.4

Simplifying
z = -4.4

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