4a+40-12a+9=146

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Solution for 4a+40-12a+9=146 equation:


Simplifying
4a + 40 + -12a + 9 = 146

Reorder the terms:
40 + 9 + 4a + -12a = 146

Combine like terms: 40 + 9 = 49
49 + 4a + -12a = 146

Combine like terms: 4a + -12a = -8a
49 + -8a = 146

Solving
49 + -8a = 146

Solving for variable 'a'.

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

Add '-49' to each side of the equation.
49 + -49 + -8a = 146 + -49

Combine like terms: 49 + -49 = 0
0 + -8a = 146 + -49
-8a = 146 + -49

Combine like terms: 146 + -49 = 97
-8a = 97

Divide each side by '-8'.
a = -12.125

Simplifying
a = -12.125

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