2r-7z=45

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Solution for 2r-7z=45 equation: 


Simplifying
2r + -7z = 45

Solving
2r + -7z = 45

Solving for variable 'r'.

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

Add '7z' to each side of the equation.
2r + -7z + 7z = 45 + 7z

Combine like terms: -7z + 7z = 0
2r + 0 = 45 + 7z
2r = 45 + 7z

Divide each side by '2'.
r = 22.5 + 3.5z

Simplifying
r = 22.5 + 3.5z

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