8a-1a=5+3a

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Solution for 8a-1a=5+3a equation: 


Simplifying
8a + -1a = 5 + 3a

Combine like terms: 8a + -1a = 7a
7a = 5 + 3a

Solving
7a = 5 + 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.
7a + -3a = 5 + 3a + -3a

Combine like terms: 7a + -3a = 4a
4a = 5 + 3a + -3a

Combine like terms: 3a + -3a = 0
4a = 5 + 0
4a = 5

Divide each side by '4'.
a = 1.25

Simplifying
a = 1.25

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