5a-20=3a+4.5

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Solution for 5a-20=3a+4.5 equation:


Simplifying
5a + -20 = 3a + 4.5

Reorder the terms:
-20 + 5a = 3a + 4.5

Reorder the terms:
-20 + 5a = 4.5 + 3a

Solving
-20 + 5a = 4.5 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-20 + 5a + -3a = 4.5 + 3a + -3a

Combine like terms: 5a + -3a = 2a
-20 + 2a = 4.5 + 3a + -3a

Combine like terms: 3a + -3a = 0
-20 + 2a = 4.5 + 0
-20 + 2a = 4.5

Add '20' to each side of the equation.
-20 + 20 + 2a = 4.5 + 20

Combine like terms: -20 + 20 = 0
0 + 2a = 4.5 + 20
2a = 4.5 + 20

Combine like terms: 4.5 + 20 = 24.5
2a = 24.5

Divide each side by '2'.
a = 12.25

Simplifying
a = 12.25

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