4+1=2a-8

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


Simplifying
4 + 1 = 2a + -8

Combine like terms: 4 + 1 = 5
5 = 2a + -8

Reorder the terms:
5 = -8 + 2a

Solving
5 = -8 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
5 + -2a = -8 + 2a + -2a

Combine like terms: 2a + -2a = 0
5 + -2a = -8 + 0
5 + -2a = -8

Add '-5' to each side of the equation.
5 + -5 + -2a = -8 + -5

Combine like terms: 5 + -5 = 0
0 + -2a = -8 + -5
-2a = -8 + -5

Combine like terms: -8 + -5 = -13
-2a = -13

Divide each side by '-2'.
a = 6.5

Simplifying
a = 6.5

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