7.15a+1.35a-3.5a=4

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Solution for 7.15a+1.35a-3.5a=4 equation: 


Simplifying
7.15a + 1.35a + -3.5a = 4

Combine like terms: 7.15a + 1.35a = 8.5a
8.5a + -3.5a = 4

Combine like terms: 8.5a + -3.5a = 5a
5a = 4

Solving
5a = 4

Solving for variable 'a'.

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

Divide each side by '5'.
a = 0.8

Simplifying
a = 0.8

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