7a-5=a+7

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Solution for 7a-5=a+7 equation:


Simplifying
7a + -5 = a + 7

Reorder the terms:
-5 + 7a = a + 7

Reorder the terms:
-5 + 7a = 7 + a

Solving
-5 + 7a = 7 + 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.
-5 + 7a + -1a = 7 + a + -1a

Combine like terms: 7a + -1a = 6a
-5 + 6a = 7 + a + -1a

Combine like terms: a + -1a = 0
-5 + 6a = 7 + 0
-5 + 6a = 7

Add '5' to each side of the equation.
-5 + 5 + 6a = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 6a = 7 + 5
6a = 7 + 5

Combine like terms: 7 + 5 = 12
6a = 12

Divide each side by '6'.
a = 2

Simplifying
a = 2

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