8=-3.4+a

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Solution for 8=-3.4+a equation:


Simplifying
8 = -3.4 + a

Solving
8 = -3.4 + 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 + -1a = -3.4 + a + -1a

Combine like terms: a + -1a = 0
8 + -1a = -3.4 + 0
8 + -1a = -3.4

Add '-8' to each side of the equation.
8 + -8 + -1a = -3.4 + -8

Combine like terms: 8 + -8 = 0
0 + -1a = -3.4 + -8
-1a = -3.4 + -8

Combine like terms: -3.4 + -8 = -11.4
-1a = -11.4

Divide each side by '-1'.
a = 11.4

Simplifying
a = 11.4

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