8.4=a-0.2

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Solution for 8.4=a-0.2 equation:


Simplifying
8.4 = a + -0.2

Reorder the terms:
8.4 = -0.2 + a

Solving
8.4 = -0.2 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
8.4 + -1a = -0.2 + a + -1a

Combine like terms: a + -1a = 0
8.4 + -1a = -0.2 + 0
8.4 + -1a = -0.2

Add '-8.4' to each side of the equation.
8.4 + -8.4 + -1a = -0.2 + -8.4

Combine like terms: 8.4 + -8.4 = 0.0
0.0 + -1a = -0.2 + -8.4
-1a = -0.2 + -8.4

Combine like terms: -0.2 + -8.4 = -8.6
-1a = -8.6

Divide each side by '-1'.
a = 8.6

Simplifying
a = 8.6

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