2a+1-4a=-8

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Solution for 2a+1-4a=-8 equation: 


Simplifying
2a + 1 + -4a = -8

Reorder the terms:
1 + 2a + -4a = -8

Combine like terms: 2a + -4a = -2a
1 + -2a = -8

Solving
1 + -2a = -8

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 = -8 + -1

Combine like terms: 1 + -1 = 0
0 + -2a = -8 + -1
-2a = -8 + -1

Combine like terms: -8 + -1 = -9
-2a = -9

Divide each side by '-2'.
a = 4.5

Simplifying
a = 4.5

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