-20=2u-3

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Solution for -20=2u-3 equation:


Simplifying
-20 = 2u + -3

Reorder the terms:
-20 = -3 + 2u

Solving
-20 = -3 + 2u

Solving for variable 'u'.

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

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

Combine like terms: 2u + -2u = 0
-20 + -2u = -3 + 0
-20 + -2u = -3

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

Combine like terms: -20 + 20 = 0
0 + -2u = -3 + 20
-2u = -3 + 20

Combine like terms: -3 + 20 = 17
-2u = 17

Divide each side by '-2'.
u = -8.5

Simplifying
u = -8.5

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