6.4=18.4+2a

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Solution for 6.4=18.4+2a equation:


Simplifying
6.4 = 18.4 + 2a

Solving
6.4 = 18.4 + 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.
6.4 + -2a = 18.4 + 2a + -2a

Combine like terms: 2a + -2a = 0
6.4 + -2a = 18.4 + 0
6.4 + -2a = 18.4

Add '-6.4' to each side of the equation.
6.4 + -6.4 + -2a = 18.4 + -6.4

Combine like terms: 6.4 + -6.4 = 0.0
0.0 + -2a = 18.4 + -6.4
-2a = 18.4 + -6.4

Combine like terms: 18.4 + -6.4 = 12
-2a = 12

Divide each side by '-2'.
a = -6

Simplifying
a = -6

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