0.5a-1=4

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Solution for 0.5a-1=4 equation: 


Simplifying
0.5a + -1 = 4

Reorder the terms:
-1 + 0.5a = 4

Solving
-1 + 0.5a = 4

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 0.5a = 4 + 1

Combine like terms: -1 + 1 = 0
0 + 0.5a = 4 + 1
0.5a = 4 + 1

Combine like terms: 4 + 1 = 5
0.5a = 5

Divide each side by '0.5'.
a = 10

Simplifying
a = 10

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