6.9a+13=88.9

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Solution for 6.9a+13=88.9 equation: 


Simplifying
6.9a + 13 = 88.9

Reorder the terms:
13 + 6.9a = 88.9

Solving
13 + 6.9a = 88.9

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + 6.9a = 88.9 + -13

Combine like terms: 13 + -13 = 0
0 + 6.9a = 88.9 + -13
6.9a = 88.9 + -13

Combine like terms: 88.9 + -13 = 75.9
6.9a = 75.9

Divide each side by '6.9'.
a = 11

Simplifying
a = 11

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