2a-1=-4

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Solution for 2a-1=-4 equation:


Simplifying
2a + -1 = -4

Reorder the terms:
-1 + 2a = -4

Solving
-1 + 2a = -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 + 2a = -4 + 1

Combine like terms: -1 + 1 = 0
0 + 2a = -4 + 1
2a = -4 + 1

Combine like terms: -4 + 1 = -3
2a = -3

Divide each side by '2'.
a = -1.5

Simplifying
a = -1.5

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