3a+7=7+a

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Solution for 3a+7=7+a equation:


Simplifying
3a + 7 = 7 + a

Reorder the terms:
7 + 3a = 7 + a

Add '-7' to each side of the equation.
7 + -7 + 3a = 7 + -7 + a

Combine like terms: 7 + -7 = 0
0 + 3a = 7 + -7 + a
3a = 7 + -7 + a

Combine like terms: 7 + -7 = 0
3a = 0 + a
3a = a

Solving
3a = 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.
3a + -1a = a + -1a

Combine like terms: 3a + -1a = 2a
2a = a + -1a

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

Divide each side by '2'.
a = 0

Simplifying
a = 0

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