6.9+2a=5a

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Solution for 6.9+2a=5a equation:


Simplifying
6.9 + 2a = 5a

Solving
6.9 + 2a = 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
6.9 + 2a + -5a = 5a + -5a

Combine like terms: 2a + -5a = -3a
6.9 + -3a = 5a + -5a

Combine like terms: 5a + -5a = 0
6.9 + -3a = 0

Add '-6.9' to each side of the equation.
6.9 + -6.9 + -3a = 0 + -6.9

Combine like terms: 6.9 + -6.9 = 0.0
0.0 + -3a = 0 + -6.9
-3a = 0 + -6.9

Combine like terms: 0 + -6.9 = -6.9
-3a = -6.9

Divide each side by '-3'.
a = 2.3

Simplifying
a = 2.3

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