7a=15+2a

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Solution for 7a=15+2a equation: 


Simplifying
7a = 15 + 2a

Solving
7a = 15 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
7a + -2a = 15 + 2a + -2a

Combine like terms: 7a + -2a = 5a
5a = 15 + 2a + -2a

Combine like terms: 2a + -2a = 0
5a = 15 + 0
5a = 15

Divide each side by '5'.
a = 3

Simplifying
a = 3

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