7a-4-a=2

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


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

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

Combine like terms: 7a + -1a = 6a
-4 + 6a = 2

Solving
-4 + 6a = 2

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 + 6a = 2 + 4

Combine like terms: -4 + 4 = 0
0 + 6a = 2 + 4
6a = 2 + 4

Combine like terms: 2 + 4 = 6
6a = 6

Divide each side by '6'.
a = 1

Simplifying
a = 1

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