75-9e=5(4r+2e)

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Solution for 75-9e=5(4r+2e) equation:


Simplifying
75 + -9e = 5(4r + 2e)

Reorder the terms:
75 + -9e = 5(2e + 4r)
75 + -9e = (2e * 5 + 4r * 5)
75 + -9e = (10e + 20r)

Solving
75 + -9e = 10e + 20r

Solving for variable 'e'.

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

Add '-10e' to each side of the equation.
75 + -9e + -10e = 10e + -10e + 20r

Combine like terms: -9e + -10e = -19e
75 + -19e = 10e + -10e + 20r

Combine like terms: 10e + -10e = 0
75 + -19e = 0 + 20r
75 + -19e = 20r

Add '-75' to each side of the equation.
75 + -75 + -19e = -75 + 20r

Combine like terms: 75 + -75 = 0
0 + -19e = -75 + 20r
-19e = -75 + 20r

Divide each side by '-19'.
e = 3.947368421 + -1.052631579r

Simplifying
e = 3.947368421 + -1.052631579r

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