-0.3a-0.5a+8=0.8+12

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Solution for -0.3a-0.5a+8=0.8+12 equation:


Simplifying
-0.3a + -0.5a + 8 = 0.8 + 12

Reorder the terms:
8 + -0.3a + -0.5a = 0.8 + 12

Combine like terms: -0.3a + -0.5a = -0.8a
8 + -0.8a = 0.8 + 12

Combine like terms: 0.8 + 12 = 12.8
8 + -0.8a = 12.8

Solving
8 + -0.8a = 12.8

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + -0.8a = 12.8 + -8

Combine like terms: 8 + -8 = 0
0 + -0.8a = 12.8 + -8
-0.8a = 12.8 + -8

Combine like terms: 12.8 + -8 = 4.8
-0.8a = 4.8

Divide each side by '-0.8'.
a = -6

Simplifying
a = -6

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