7.5a-5.16=3.1a+12

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Solution for 7.5a-5.16=3.1a+12 equation:


Simplifying
7.5a + -5.16 = 3.1a + 12

Reorder the terms:
-5.16 + 7.5a = 3.1a + 12

Reorder the terms:
-5.16 + 7.5a = 12 + 3.1a

Solving
-5.16 + 7.5a = 12 + 3.1a

Solving for variable 'a'.

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

Add '-3.1a' to each side of the equation.
-5.16 + 7.5a + -3.1a = 12 + 3.1a + -3.1a

Combine like terms: 7.5a + -3.1a = 4.4a
-5.16 + 4.4a = 12 + 3.1a + -3.1a

Combine like terms: 3.1a + -3.1a = 0.0
-5.16 + 4.4a = 12 + 0.0
-5.16 + 4.4a = 12

Add '5.16' to each side of the equation.
-5.16 + 5.16 + 4.4a = 12 + 5.16

Combine like terms: -5.16 + 5.16 = 0.00
0.00 + 4.4a = 12 + 5.16
4.4a = 12 + 5.16

Combine like terms: 12 + 5.16 = 17.16
4.4a = 17.16

Divide each side by '4.4'.
a = 3.9

Simplifying
a = 3.9

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