.5a+2.5=30

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Solution for .5a+2.5=30 equation: 


Simplifying
0.5a + 2.5 = 30

Reorder the terms:
2.5 + 0.5a = 30

Solving
2.5 + 0.5a = 30

Solving for variable 'a'.

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

Add '-2.5' to each side of the equation.
2.5 + -2.5 + 0.5a = 30 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 0.5a = 30 + -2.5
0.5a = 30 + -2.5

Combine like terms: 30 + -2.5 = 27.5
0.5a = 27.5

Divide each side by '0.5'.
a = 55

Simplifying
a = 55

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