2a-7=7-a

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


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

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

Solving
-7 + 2a = 7 + -1a

Solving for variable 'a'.

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

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

Combine like terms: 2a + a = 3a
-7 + 3a = 7 + -1a + a

Combine like terms: -1a + a = 0
-7 + 3a = 7 + 0
-7 + 3a = 7

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

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

Combine like terms: 7 + 7 = 14
3a = 14

Divide each side by '3'.
a = 4.666666667

Simplifying
a = 4.666666667

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