5a-5-15=3a+6+4

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Solution for 5a-5-15=3a+6+4 equation: 


Simplifying
5a + -5 + -15 = 3a + 6 + 4

Reorder the terms:
-5 + -15 + 5a = 3a + 6 + 4

Combine like terms: -5 + -15 = -20
-20 + 5a = 3a + 6 + 4

Reorder the terms:
-20 + 5a = 6 + 4 + 3a

Combine like terms: 6 + 4 = 10
-20 + 5a = 10 + 3a

Solving
-20 + 5a = 10 + 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 = 10 + 3a + -3a

Combine like terms: 5a + -3a = 2a
-20 + 2a = 10 + 3a + -3a

Combine like terms: 3a + -3a = 0
-20 + 2a = 10 + 0
-20 + 2a = 10

Add '20' to each side of the equation.
-20 + 20 + 2a = 10 + 20

Combine like terms: -20 + 20 = 0
0 + 2a = 10 + 20
2a = 10 + 20

Combine like terms: 10 + 20 = 30
2a = 30

Divide each side by '2'.
a = 15

Simplifying
a = 15

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