0.40+a+0.40+b=

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Solution for 0.40+a+0.40+b= equation: 


Simplifying
0.40 + a + 0.40 + b = 0

Reorder the terms:
0.40 + 0.40 + a + b = 0

Combine like terms: 0.40 + 0.40 = 0.8
0.8 + a + b = 0

Solving
0.8 + a + b = 0

Solving for variable 'a'.

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

Add '-0.8' to each side of the equation.
0.8 + a + -0.8 + b = 0 + -0.8

Reorder the terms:
0.8 + -0.8 + a + b = 0 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + a + b = 0 + -0.8
a + b = 0 + -0.8

Combine like terms: 0 + -0.8 = -0.8
a + b = -0.8

Add '-1b' to each side of the equation.
a + b + -1b = -0.8 + -1b

Combine like terms: b + -1b = 0
a + 0 = -0.8 + -1b
a = -0.8 + -1b

Simplifying
a = -0.8 + -1b

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