75-9e=5(4r-9)

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Solution for 75-9e=5(4r-9) equation:


Simplifying
75 + -9e = 5(4r + -9)

Reorder the terms:
75 + -9e = 5(-9 + 4r)
75 + -9e = (-9 * 5 + 4r * 5)
75 + -9e = (-45 + 20r)

Solving
75 + -9e = -45 + 20r

Solving for variable 'e'.

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

Add '-75' to each side of the equation.
75 + -75 + -9e = -45 + -75 + 20r

Combine like terms: 75 + -75 = 0
0 + -9e = -45 + -75 + 20r
-9e = -45 + -75 + 20r

Combine like terms: -45 + -75 = -120
-9e = -120 + 20r

Divide each side by '-9'.
e = 13.33333333 + -2.222222222r

Simplifying
e = 13.33333333 + -2.222222222r

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