4a-20+4a=55+2a+25

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Solution for 4a-20+4a=55+2a+25 equation: 


Simplifying
4a + -20 + 4a = 55 + 2a + 25

Reorder the terms:
-20 + 4a + 4a = 55 + 2a + 25

Combine like terms: 4a + 4a = 8a
-20 + 8a = 55 + 2a + 25

Reorder the terms:
-20 + 8a = 55 + 25 + 2a

Combine like terms: 55 + 25 = 80
-20 + 8a = 80 + 2a

Solving
-20 + 8a = 80 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-20 + 8a + -2a = 80 + 2a + -2a

Combine like terms: 8a + -2a = 6a
-20 + 6a = 80 + 2a + -2a

Combine like terms: 2a + -2a = 0
-20 + 6a = 80 + 0
-20 + 6a = 80

Add '20' to each side of the equation.
-20 + 20 + 6a = 80 + 20

Combine like terms: -20 + 20 = 0
0 + 6a = 80 + 20
6a = 80 + 20

Combine like terms: 80 + 20 = 100
6a = 100

Divide each side by '6'.
a = 16.66666667

Simplifying
a = 16.66666667

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