7.2a+12=84

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Solution for 7.2a+12=84 equation: 


Simplifying
7.2a + 12 = 84

Reorder the terms:
12 + 7.2a = 84

Solving
12 + 7.2a = 84

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 7.2a = 84 + -12

Combine like terms: 12 + -12 = 0
0 + 7.2a = 84 + -12
7.2a = 84 + -12

Combine like terms: 84 + -12 = 72
7.2a = 72

Divide each side by '7.2'.
a = 10

Simplifying
a = 10

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