2u+8-5a=28

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Solution for 2u+8-5a=28 equation:


Simplifying
2u + 8 + -5a = 28

Reorder the terms:
8 + -5a + 2u = 28

Solving
8 + -5a + 2u = 28

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -5a + -8 + 2u = 28 + -8

Reorder the terms:
8 + -8 + -5a + 2u = 28 + -8

Combine like terms: 8 + -8 = 0
0 + -5a + 2u = 28 + -8
-5a + 2u = 28 + -8

Combine like terms: 28 + -8 = 20
-5a + 2u = 20

Add '-2u' to each side of the equation.
-5a + 2u + -2u = 20 + -2u

Combine like terms: 2u + -2u = 0
-5a + 0 = 20 + -2u
-5a = 20 + -2u

Divide each side by '-5'.
a = -4 + 0.4u

Simplifying
a = -4 + 0.4u

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