2a-8-a=-7+4

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Solution for 2a-8-a=-7+4 equation:


Simplifying
2a + -8 + -1a = -7 + 4

Reorder the terms:
-8 + 2a + -1a = -7 + 4

Combine like terms: 2a + -1a = 1a
-8 + 1a = -7 + 4

Combine like terms: -7 + 4 = -3
-8 + 1a = -3

Solving
-8 + 1a = -3

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 1a = -3 + 8

Combine like terms: -8 + 8 = 0
0 + 1a = -3 + 8
1a = -3 + 8

Combine like terms: -3 + 8 = 5
1a = 5

Divide each side by '1'.
a = 5

Simplifying
a = 5

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