7.5r+z=-28

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Solution for 7.5r+z=-28 equation: 


Simplifying
7.5r + z = -28

Solving
7.5r + z = -28

Solving for variable 'r'.

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

Add '-1z' to each side of the equation.
7.5r + z + -1z = -28 + -1z

Combine like terms: z + -1z = 0
7.5r + 0 = -28 + -1z
7.5r = -28 + -1z

Divide each side by '7.5'.
r = -3.733333333 + -0.1333333333z

Simplifying
r = -3.733333333 + -0.1333333333z

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