39.99+.45=44.99+.40a

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Solution for 39.99+.45=44.99+.40a equation:


Simplifying
39.99 + 0.45 = 44.99 + 0.40a

Combine like terms: 39.99 + 0.45 = 40.44
40.44 = 44.99 + 0.40a

Solving
40.44 = 44.99 + 0.40a

Solving for variable 'a'.

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

Add '-0.40a' to each side of the equation.
40.44 + -0.40a = 44.99 + 0.40a + -0.40a

Combine like terms: 0.40a + -0.40a = 0.00
40.44 + -0.40a = 44.99 + 0.00
40.44 + -0.40a = 44.99

Add '-40.44' to each side of the equation.
40.44 + -40.44 + -0.40a = 44.99 + -40.44

Combine like terms: 40.44 + -40.44 = 0.00
0.00 + -0.40a = 44.99 + -40.44
-0.40a = 44.99 + -40.44

Combine like terms: 44.99 + -40.44 = 4.55
-0.40a = 4.55

Divide each side by '-0.40'.
a = -11.375

Simplifying
a = -11.375

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