7a+8b=27

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Solution for 7a+8b=27 equation: 


Simplifying
7a + 8b = 27

Solving
7a + 8b = 27

Solving for variable 'a'.

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

Add '-8b' to each side of the equation.
7a + 8b + -8b = 27 + -8b

Combine like terms: 8b + -8b = 0
7a + 0 = 27 + -8b
7a = 27 + -8b

Divide each side by '7'.
a = 3.857142857 + -1.142857143b

Simplifying
a = 3.857142857 + -1.142857143b

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