.75a+.75a+a=15

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Solution for .75a+.75a+a=15 equation: 


Simplifying
0.75a + 0.75a + a = 15

Combine like terms: 0.75a + 0.75a = 1.5a
1.5a + a = 15

Combine like terms: 1.5a + a = 2.5a
2.5a = 15

Solving
2.5a = 15

Solving for variable 'a'.

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

Divide each side by '2.5'.
a = 6

Simplifying
a = 6

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