20-2e=3r-20

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Solution for 20-2e=3r-20 equation:


Simplifying
20 + -2e = 3r + -20

Reorder the terms:
20 + -2e = -20 + 3r

Solving
20 + -2e = -20 + 3r

Solving for variable 'e'.

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

Add '-20' to each side of the equation.
20 + -20 + -2e = -20 + -20 + 3r

Combine like terms: 20 + -20 = 0
0 + -2e = -20 + -20 + 3r
-2e = -20 + -20 + 3r

Combine like terms: -20 + -20 = -40
-2e = -40 + 3r

Divide each side by '-2'.
e = 20 + -1.5r

Simplifying
e = 20 + -1.5r

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