7a-4=a-2

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


Simplifying
7a + -4 = a + -2

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

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

Solving
-4 + 7a = -2 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-4 + 7a + -1a = -2 + a + -1a

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

Combine like terms: a + -1a = 0
-4 + 6a = -2 + 0
-4 + 6a = -2

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 = 2
6a = 2

Divide each side by '6'.
a = 0.3333333333

Simplifying
a = 0.3333333333

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