10a+9b=280

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Solution for 10a+9b=280 equation: 


Simplifying
10a + 9b = 280

Solving
10a + 9b = 280

Solving for variable 'a'.

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

Add '-9b' to each side of the equation.
10a + 9b + -9b = 280 + -9b

Combine like terms: 9b + -9b = 0
10a + 0 = 280 + -9b
10a = 280 + -9b

Divide each side by '10'.
a = 28 + -0.9b

Simplifying
a = 28 + -0.9b

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