7.9a+12=91

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Solution for 7.9a+12=91 equation: 


Simplifying
7.9a + 12 = 91

Reorder the terms:
12 + 7.9a = 91

Solving
12 + 7.9a = 91

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 + 7.9a = 91 + -12

Combine like terms: 12 + -12 = 0
0 + 7.9a = 91 + -12
7.9a = 91 + -12

Combine like terms: 91 + -12 = 79
7.9a = 79

Divide each side by '7.9'.
a = 10

Simplifying
a = 10

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