.5a-1=-1.5

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Solution for .5a-1=-1.5 equation: 


Simplifying
0.5a + -1 = -1.5

Reorder the terms:
-1 + 0.5a = -1.5

Solving
-1 + 0.5a = -1.5

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 = -1.5 + 1

Combine like terms: -1 + 1 = 0
0 + 0.5a = -1.5 + 1
0.5a = -1.5 + 1

Combine like terms: -1.5 + 1 = -0.5
0.5a = -0.5

Divide each side by '0.5'.
a = -1

Simplifying
a = -1

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