2a-7+7a=

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


Simplifying
2a + -7 + 7a = 0

Reorder the terms:
-7 + 2a + 7a = 0

Combine like terms: 2a + 7a = 9a
-7 + 9a = 0

Solving
-7 + 9a = 0

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 9a = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 9a = 0 + 7
9a = 0 + 7

Combine like terms: 0 + 7 = 7
9a = 7

Divide each side by '9'.
a = 0.7777777778

Simplifying
a = 0.7777777778

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