4a+x=12

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Solution for 4a+x=12 equation: 


Simplifying
4a + x = 12

Solving
4a + x = 12

Solving for variable 'a'.

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

Add '-1x' to each side of the equation.
4a + x + -1x = 12 + -1x

Combine like terms: x + -1x = 0
4a + 0 = 12 + -1x
4a = 12 + -1x

Divide each side by '4'.
a = 3 + -0.25x

Simplifying
a = 3 + -0.25x

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