-20.7=-6.9a

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Solution for -20.7=-6.9a equation:


Simplifying
-20.7 = -6.9a

Solving
-20.7 = -6.9a

Solving for variable 'a'.

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

Add '6.9a' to each side of the equation.
-20.7 + 6.9a = -6.9a + 6.9a

Combine like terms: -6.9a + 6.9a = 0.0
-20.7 + 6.9a = 0.0

Add '20.7' to each side of the equation.
-20.7 + 20.7 + 6.9a = 0.0 + 20.7

Combine like terms: -20.7 + 20.7 = 0.0
0.0 + 6.9a = 0.0 + 20.7
6.9a = 0.0 + 20.7

Combine like terms: 0.0 + 20.7 = 20.7
6.9a = 20.7

Divide each side by '6.9'.
a = 3

Simplifying
a = 3

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