31.214=-8.5a-4.07

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Solution for 31.214=-8.5a-4.07 equation: 


Simplifying
31.214 = -8.5a + -4.07

Reorder the terms:
31.214 = -4.07 + -8.5a

Solving
31.214 = -4.07 + -8.5a

Solving for variable 'a'.

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

Add '8.5a' to each side of the equation.
31.214 + 8.5a = -4.07 + -8.5a + 8.5a

Combine like terms: -8.5a + 8.5a = 0.0
31.214 + 8.5a = -4.07 + 0.0
31.214 + 8.5a = -4.07

Add '-31.214' to each side of the equation.
31.214 + -31.214 + 8.5a = -4.07 + -31.214

Combine like terms: 31.214 + -31.214 = 0.000
0.000 + 8.5a = -4.07 + -31.214
8.5a = -4.07 + -31.214

Combine like terms: -4.07 + -31.214 = -35.284
8.5a = -35.284

Divide each side by '8.5'.
a = -4.151058824

Simplifying
a = -4.151058824

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