a+4-2a=-1

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Solution for a+4-2a=-1 equation:


Simplifying
a + 4 + -2a = -1

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

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

Solving
4 + -1a = -1

Solving for variable 'a'.

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

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

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

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

Divide each side by '-1'.
a = 5

Simplifying
a = 5

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