28.5=8a-4.5a

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Solution for 28.5=8a-4.5a equation:


Simplifying
28.5 = 8a + -4.5a

Combine like terms: 8a + -4.5a = 3.5a
28.5 = 3.5a

Solving
28.5 = 3.5a

Solving for variable 'a'.

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

Add '-3.5a' to each side of the equation.
28.5 + -3.5a = 3.5a + -3.5a

Combine like terms: 3.5a + -3.5a = 0.0
28.5 + -3.5a = 0.0

Add '-28.5' to each side of the equation.
28.5 + -28.5 + -3.5a = 0.0 + -28.5

Combine like terms: 28.5 + -28.5 = 0.0
0.0 + -3.5a = 0.0 + -28.5
-3.5a = 0.0 + -28.5

Combine like terms: 0.0 + -28.5 = -28.5
-3.5a = -28.5

Divide each side by '-3.5'.
a = 8.142857143

Simplifying
a = 8.142857143

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