-81a-90b-108=398

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Solution for -81a-90b-108=398 equation:


Simplifying
-81a + -90b + -108 = 398

Reorder the terms:
-108 + -81a + -90b = 398

Solving
-108 + -81a + -90b = 398

Solving for variable 'a'.

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

Add '108' to each side of the equation.
-108 + -81a + 108 + -90b = 398 + 108

Reorder the terms:
-108 + 108 + -81a + -90b = 398 + 108

Combine like terms: -108 + 108 = 0
0 + -81a + -90b = 398 + 108
-81a + -90b = 398 + 108

Combine like terms: 398 + 108 = 506
-81a + -90b = 506

Add '90b' to each side of the equation.
-81a + -90b + 90b = 506 + 90b

Combine like terms: -90b + 90b = 0
-81a + 0 = 506 + 90b
-81a = 506 + 90b

Divide each side by '-81'.
a = -6.24691358 + -1.111111111b

Simplifying
a = -6.24691358 + -1.111111111b

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