40=12a+b

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Solution for 40=12a+b equation:


Simplifying
40 = 12a + b

Solving
40 = 12a + b

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
40 + -12a = 12a + -12a + b

Combine like terms: 12a + -12a = 0
40 + -12a = 0 + b
40 + -12a = b

Add '-40' to each side of the equation.
40 + -40 + -12a = -40 + b

Combine like terms: 40 + -40 = 0
0 + -12a = -40 + b
-12a = -40 + b

Divide each side by '-12'.
a = 3.333333333 + -0.08333333333b

Simplifying
a = 3.333333333 + -0.08333333333b

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