4.5+z=-7

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Solution for 4.5+z=-7 equation: 


Simplifying
4.5 + z = -7

Solving
4.5 + z = -7

Solving for variable 'z'.

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

Add '-4.5' to each side of the equation.
4.5 + -4.5 + z = -7 + -4.5

Combine like terms: 4.5 + -4.5 = 0.0
0.0 + z = -7 + -4.5
z = -7 + -4.5

Combine like terms: -7 + -4.5 = -11.5
z = -11.5

Simplifying
z = -11.5

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