10a-20=4a+80

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Solution for 10a-20=4a+80 equation:


Simplifying
10a + -20 = 4a + 80

Reorder the terms:
-20 + 10a = 4a + 80

Reorder the terms:
-20 + 10a = 80 + 4a

Solving
-20 + 10a = 80 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-20 + 10a + -4a = 80 + 4a + -4a

Combine like terms: 10a + -4a = 6a
-20 + 6a = 80 + 4a + -4a

Combine like terms: 4a + -4a = 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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