a=210+7.5a

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Solution for a=210+7.5a equation: 


Simplifying
a = 210 + 7.5a

Solving
a = 210 + 7.5a

Solving for variable 'a'.

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

Add '-7.5a' to each side of the equation.
a + -7.5a = 210 + 7.5a + -7.5a

Combine like terms: a + -7.5a = -6.5a
-6.5a = 210 + 7.5a + -7.5a

Combine like terms: 7.5a + -7.5a = 0.0
-6.5a = 210 + 0.0
-6.5a = 210

Divide each side by '-6.5'.
a = -32.30769231

Simplifying
a = -32.30769231

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