a+31.5=40

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Solution for a+31.5=40 equation: 


Simplifying
a + 31.5 = 40

Reorder the terms:
31.5 + a = 40

Solving
31.5 + a = 40

Solving for variable 'a'.

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

Add '-31.5' to each side of the equation.
31.5 + -31.5 + a = 40 + -31.5

Combine like terms: 31.5 + -31.5 = 0.0
0.0 + a = 40 + -31.5
a = 40 + -31.5

Combine like terms: 40 + -31.5 = 8.5
a = 8.5

Simplifying
a = 8.5

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