2a+5a=100

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Solution for 2a+5a=100 equation: 


Simplifying
2a + 5a = 100

Combine like terms: 2a + 5a = 7a
7a = 100

Solving
7a = 100

Solving for variable 'a'.

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

Divide each side by '7'.
a = 14.28571429

Simplifying
a = 14.28571429

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