8=a+3a

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Solution for 8=a+3a equation:


Simplifying
8 = a + 3a

Combine like terms: a + 3a = 4a
8 = 4a

Solving
8 = 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.
8 + -4a = 4a + -4a

Combine like terms: 4a + -4a = 0
8 + -4a = 0

Add '-8' to each side of the equation.
8 + -8 + -4a = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -4a = 0 + -8
-4a = 0 + -8

Combine like terms: 0 + -8 = -8
-4a = -8

Divide each side by '-4'.
a = 2

Simplifying
a = 2

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