75=9a+3b

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Solution for 75=9a+3b equation:


Simplifying
75 = 9a + 3b

Solving
75 = 9a + 3b

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
75 + -9a = 9a + -9a + 3b

Combine like terms: 9a + -9a = 0
75 + -9a = 0 + 3b
75 + -9a = 3b

Add '-75' to each side of the equation.
75 + -75 + -9a = -75 + 3b

Combine like terms: 75 + -75 = 0
0 + -9a = -75 + 3b
-9a = -75 + 3b

Divide each side by '-9'.
a = 8.333333333 + -0.3333333333b

Simplifying
a = 8.333333333 + -0.3333333333b

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