3a-1-2a=-3

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Solution for 3a-1-2a=-3 equation:


Simplifying
3a + -1 + -2a = -3

Reorder the terms:
-1 + 3a + -2a = -3

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

Solving
-1 + 1a = -3

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 + 1a = -3 + 1

Combine like terms: -1 + 1 = 0
0 + 1a = -3 + 1
1a = -3 + 1

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

Divide each side by '1'.
a = -2

Simplifying
a = -2

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