2a+7a=4

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Solution for 2a+7a=4 equation: 


Simplifying
2a + 7a = 4

Combine like terms: 2a + 7a = 9a
9a = 4

Solving
9a = 4

Solving for variable 'a'.

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

Divide each side by '9'.
a = 0.4444444444

Simplifying
a = 0.4444444444

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