5a-4=3a+20

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Solution for 5a-4=3a+20 equation:


Simplifying
5a + -4 = 3a + 20

Reorder the terms:
-4 + 5a = 3a + 20

Reorder the terms:
-4 + 5a = 20 + 3a

Solving
-4 + 5a = 20 + 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.
-4 + 5a + -3a = 20 + 3a + -3a

Combine like terms: 5a + -3a = 2a
-4 + 2a = 20 + 3a + -3a

Combine like terms: 3a + -3a = 0
-4 + 2a = 20 + 0
-4 + 2a = 20

Add '4' to each side of the equation.
-4 + 4 + 2a = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 2a = 20 + 4
2a = 20 + 4

Combine like terms: 20 + 4 = 24
2a = 24

Divide each side by '2'.
a = 12

Simplifying
a = 12

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